Problem: Given the question: Answer this question: what is a chronograph watch?
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The answer is:
A chronograph is a specific type of watch that is used as a stopwatch combined with a display watch.

Problem: Given the question: Answer this question: how was color introduced in film??
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The answer is:
The first color cinematography was by means of additive color systems such as the one patented in England by Edward Raymond Turner in 1899 and tested in 1902.

Problem: Given the question: Answer this question: how many grape farms in united states?
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The answer is:
As of the last census of agriculture in 2007, there were 2.2 million farms, covering an area of , an average of per farm.