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.

Q: 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?

A: crystal gayle
****
Q: Three of the Galilean moons of Jupiter are Io, Europa and Callisto. Which is the fourth?

A: ganymede
****
Q: Who wrote 'Fantasia on a theme by Thomas Tallis'?

A:
ralph vaughan williams
****