Based on the given question and tppic, give an answer. The answer is available on on the internet. The questions are mostly centered around a single named entity.

concept: Sammy Hagar  question:  what does sammy hagar sing?
['Rock music', 'Hard rock', 'Heavy metal']

concept: Melbourne Australia  question:  where does the name melbourne come from?
['William Lamb, 2nd Viscount Melbourne']

concept: Antonio Vivaldi  question:  what instruments did vivaldi wrote concertos for?

Violin