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.

The islands of La Gomera and Tabarca belong to which European country?
spain

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 letter of the Greek alphabet comes between Tau and Phi?

upsilon