Question: how long has the nfl been doing thursday night football
[{'answer': 'November 23 , 2006', 'provenance': [{'wikipedia_id': '7634921', 'title': 'Thursday Night Football', 'start_paragraph_id': 11, 'start_character': 37, 'end_paragraph_id': 11, 'end_character': 55, 'bleu_score': 1.0, 'section': 'Section::::Background.:Early history.\n'}]}, {'provenance': [{'wikipedia_id': '7634921', 'title': 'Thursday Night Football', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 676, 'bleu_score': 0.9431979911652411, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 5145117106480542878}, 'section': 'Section::::Abstract.'}]}]