Question: when did the first family guy episode air
[{'answer': 'January 31', 'provenance': [{'wikipedia_id': '14724369', 'title': 'Family Guy (season 1)', 'start_paragraph_id': 1, 'start_character': 78, 'end_paragraph_id': 1, 'end_character': 88, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '14724369', 'title': 'Family Guy (season 1)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 564, 'bleu_score': 0.978375183951072, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 3433263019262280628}, 'section': 'Section::::Abstract.'}]}]