What year did tennis player, Martina Hingis, turned professional?

More Questions:

Which car company produced a model named the Celica?

What psychoanalyst smoked 20 cigars per day?

What model was married to musician Tommy Lee?

What piece on a chess board can only move on one color?

What sport is Pele associated with?

What month's birthstone places highest on the Mohs scale?

Who is the Greek equivalent of the Roman goddess Venus?

What kinds of creatures were Flopsy and Mopsy in the first book by Beatrix Potter?

Into which sea does the Volga river flow?

Who played the role of Natalie Cook in the 2000 movie "Charlie's Angels"?

Which of Henry VIII's wives was the only one to bear him a legitimate, surviving son?

From which country did the US buy the United States Virgin Islands in 1916?

Galt MacDermot wrote the music for what 1967 musical?

What US band features the members Billie Joe Armstrong, Mike Dirnt and Tre Cool?

What country shares a land border with Papua New Guinea to the west?