Question: how many man made lakes are in oklahoma
[{'answer': 'more than 200', 'provenance': [{'wikipedia_id': '1249998', 'title': 'List of lakes in Oklahoma', 'start_paragraph_id': 1, 'start_character': 219, 'end_paragraph_id': 1, 'end_character': 232, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '1249998', 'title': 'List of lakes in Oklahoma', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 448, 'bleu_score': 0.976327165973018, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 14866248381842089956}, 'section': 'Section::::Abstract.'}]}]