Given an trivia question precisely answer the question with a word/phrase/name. External resources such as Wikipedia could be used to obtain the facts.

Which American country singer, the younger sister of singer Loretta Lynn, had 18 #1 country hits during the 1970s and 1980s, and is best known for a series of country-pop crossover hits including Don't It Make My Brown Eyes Blue?
crystal gayle

Which band had a chart topping hit in 2002 with How You Remind Me?
nickleback

Who wrote the plays Waiting For Godot, Endgame, Play, Happy Days and Krapp's Last Tape?

samuel beckett