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.
--------
Question: What is the highest peak in Germany?

Answer: zugspitze


Question: What TV series, which debuted in 1951, featured the weekly travails of, Just the facts, ma'am, Sgt Joe Friday?

Answer: dragnet


Question: What operating system has versions called Ice Cream Sandwich, Jelly Bean, and Lollipop?

Answer:
android