Question: when was the first time someone kneeled during the national anthem
[{'answer': '2016', 'provenance': [{'wikipedia_id': '51676196', 'title': 'U.S. national anthem protests (2016–present)', 'start_paragraph_id': 0, 'start_character': 31, 'end_paragraph_id': 0, 'end_character': 35, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '51676196', 'title': 'U.S. national anthem protests (2016–present)', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 497, 'bleu_score': 0.750427678714615, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4332806050053494628}, 'section': 'Section::::Abstract.'}]}]