Problem: Given the question: Answer this question: how many seasons heroes?
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The answer is:
Four complete seasons aired, ending on February 8, 2010.

Problem: Given the question: Answer this question: What is the significance of Good Friday??
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The answer is:
It is also known as Holy Friday, Great Friday, Black Friday, or Easter Friday, though the latter properly refers to the Friday in Easter week .

Problem: Given the question: Answer this question: where is the palatine canal?
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The answer is:
The greater palatine canal (or pterygopalatine canal) is a passage in the skull that transmits the greater palatine artery , vein, and nerve between the pterygopalatine fossa and the oral cavity .