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.

Category: PLAYWRIGHTS
Clue: He's won 3 Pulitzer Prizes for drama--in 1967, 1975 & 1994
edward albee

Category: MUSICAL THEATRE
Clue: Currently, this show is performed by 3 troupes; the Liffey & Lagan Companies on tour & the Shannon Company on B'way
"riverdance"

Category: THE U.S. SENATE
Clue: This man, only the third man to serve his state in the U.S. Senate, left the body in 2009
ted stevens