Question: how many all women's colleges are there in the us
[{'answer': 'approximately 37'}, {'provenance': [{'wikipedia_id': '7447721', 'title': "Women's colleges in the United States", 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 249, 'bleu_score': 0.8723360571509821, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 13551709858082272102}, 'section': 'Section::::Abstract.'}]}]