TASK DEFINITION: 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.
PROBLEM: Which of Jupiter's Moons is largest?

SOLUTION: ganymede

PROBLEM: 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?

SOLUTION: crystal gayle

PROBLEM: Which country adopted the euro as its currency on January 1st this year?

SOLUTION:
lithuania