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.

Input: Consider Input: What metallic element is the best conductor of electricity?

Output: silver

Input: Consider Input: What was the band Madness's only UK No.1?

Output: house of fun

Input: Consider Input: Which group recorded the song 'It's A Sin', which was number one for three weeks in July 1987?
Output: pet shop boys