[Answer] In 1887, Arthur Conan Doyle introduced the character Sherlock Holmes in which debut novel?

Step 1 : Introduction to the question "In 1887, Arthur Conan Doyle introduced the character Sherlock Holmes in which debut novel?"

...Arthur Conan Doyle first introduced Sherlock Holmes in the 1887 novel A Study in Scarlet. The story also marks the first appearance of Dr. John Watson, Holmes’s trusted friend, and narrator, whose perspective helps ground Holmes’s brilliant but often unconventional methods. Initially published in Beeton’s Christmas Annual, the novel lays the foundation for Holmes’s famous deductive reasoning, keen observation skills, and forensic approach to solving crimes. It also introduces many of the core elements that would define the series.

[Answer] Which song is recognized by Guinness World Records as the most covered of all time?

Step 1 : Introduction to the question "Which song is recognized by Guinness World Records as the most covered of all time?"

...“Yesterday,” written by Paul McCartney, was released by The Beatles in 1965 and quickly became one of the most recorded songs in history. According to Guinness World Records, it has been covered thousands of times—often cited at over 2,200 versions—by artists across virtually every genre, from classical and jazz to pop and country. Its simple melody, universal theme of lost love, and adaptable structure have made it a favorite for reinterpretation, cementing its status as the most frequently covered song ever written.

[Answer] “Gone With the Wind” is set in the aftermath of which major Civil War battle?

Step 1 : Introduction to the question "“Gone With the Wind” is set in the aftermath of which major Civil War battle?"

...Battle of Atlanta was a pivotal conflict fought in July 1864 during the American Civil War. In Gone with the Wind, the fall of Atlanta provides one of the story’s most dramatic turning points, depicting the city engulfed in flames and overwhelmed by wounded soldiers and fleeing civilians. Scarlett O’Hara’s desperate escape from the burning city captures the chaos and collapse of the Confederate war effort. The battle and its aftermath symbolize the South’s downfall, making Atlanta’s destruction a central backdrop to the film.

[Answer] Before she was known as "Weezie" on "The Jeffersons," actress Isabel Sanford played Tillie in which classic film?

Step 1 : Introduction to the question "Before she was known as "Weezie" on "The Jeffersons," actress Isabel Sanford played Tillie in which classic film?"

...Before her iconic role as Louise “Weezie” Jefferson, actress Isabel Sanford appeared in the acclaimed 1967 film Guess Who's Coming to Dinner starring Spencer Tracy, Katharine Hepburn, and Sidney Poitier. Sanford played Tillie, the family’s housekeeper, in the groundbreaking drama about interracial marriage. Several years later, she became widely known for portraying Louise Jefferson on The Jeffersons, a role that would make her the first Black woman to win the Emmy Award for Outstanding Lead Actress in a Comedy Series.

[Answer] Which U.S. city is the only one where all of its major professional sports teams use the same primary colors?

Step 1 : Introduction to the question "Which U.S. city is the only one where all of its major professional sports teams use the same primary colors?"

...Pittsburgh is the only U.S. city where all of its major professional sports teams share the same primary color scheme. The Pittsburgh Steelers, Pittsburgh Pirates, and Pittsburgh Penguins all use black and gold in their uniforms. The colors were inspired by Pittsburgh’s official city seal, which traces back to the coat of arms of William Pitt the Elder, for whom the city was named. The Steelers adopted black and gold in 1933, the Pirates followed in 1948 after previously wearing red, white, and blue, and the Penguins embraced the citywide color tradition in 1980 after originally using powder blue.