Question: when did are you smarter than a 5th grader first air
[{'answer': 'February 27 , 2007', 'provenance': [{'wikipedia_id': '8654601', 'title': 'Are You Smarter than a 5th Grader? (American game show)', 'start_paragraph_id': 1, 'start_character': 273, 'end_paragraph_id': 1, 'end_character': 295, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'began on February 27 , 2007'}, {'provenance': [{'wikipedia_id': '8654601', 'title': 'Are You Smarter than a 5th Grader? (American game show)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 987, 'bleu_score': 0.806427429721552, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 10922674503156137419}, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '8654601', 'title': 'Are You Smarter than a 5th Grader? (American game show)', 'section': 'Section::::Abstract.', 'start_paragraph_id': 1, 'end_paragraph_id': 1, 'meta': {'evidence_span': ['The show premiered as a three-day special which began on February 27, 2007 with the first two shows each a half-hour in length.', 'The show premiered as a three-day special which began on February 27, 2007 with the first two shows each a half-hour in length.', 'Are You Smarter than a 5th Grader? is an American quiz game show that airs on Nickelodeon and is hosted by John Cena. It previously aired on Fox where it was hosted by Jeff Foxworthy. It is produced by Mark Burnett. The show premiered as a three-day special which began on February 27, 2007 with the first two shows each a half-hour in length. Regular one-hour episodes began airing Thursdays from March 1 through May 10, and the first season continued with new episodes beginning May 31.']}}]}]