Question: when did women's soccer start in the united states
[{'answer': '1950', 'provenance': [{'wikipedia_id': '36601542', 'title': "Women's soccer in the United States", 'start_paragraph_id': 4, 'start_character': 184, 'end_paragraph_id': 4, 'end_character': 188, 'bleu_score': 1.0, 'section': 'Section::::Early history.\n'}]}, {'provenance': [{'wikipedia_id': '36601542', 'title': "Women's soccer in the United States", 'start_paragraph_id': 4, 'start_character': 0, 'end_paragraph_id': 4, 'end_character': 197, 'bleu_score': 0.843133901932949, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 13919859035845914969}, 'section': 'Section::::Early history.\n'}]}]