Question: when did the cowboys start wearing white at home
[{'answer': '1964', 'provenance': [{'wikipedia_id': '8121', 'title': 'Dallas Cowboys', 'start_paragraph_id': 69, 'start_character': 241, 'end_paragraph_id': 69, 'end_character': 245, 'bleu_score': 1.0, 'section': 'Section::::Logos and uniforms.:Logo.\n'}]}, {'provenance': [{'wikipedia_id': '8121', 'title': 'Dallas Cowboys', 'start_paragraph_id': 75, 'start_character': 0, 'end_paragraph_id': 75, 'end_character': 884, 'bleu_score': 0.9302908920032911, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 6407525507545614167}, 'section': 'Section::::Logos and uniforms.:Uniforms.:Uniform history.\n'}]}]