You will be given a trivia clue, and the category it belongs to. You should answer with the best answer that belongs in the category and is described by the clue. For simplicity, answers should be in all lower cased letters.

[Q]: Category: SKYSCRAPERS
Clue: After a construction boom fueled by oil & gas money, this capital city now has Europe's tallest building
[A]: moscow

[Q]: Category: NOTORIOUS
Clue: Often described as a redhead, this accused killer called her hair light brown on her 1890 passport application
[A]: lizzie borden

[Q]: Category: ANNUAL SPORTING EVENTS
Clue: With an estimated sellout crowd of 267,925 people, it claims to be the best-attended single-day sporting event in the U.S.
[A]:
the indy 500