Question: how many feet is an olympic size pool
[{'answer': '164 ft'}, {'provenance': [{'wikipedia_id': '226434', 'title': 'Olympic-size swimming pool', 'start_paragraph_id': 5, 'start_character': 0, 'end_paragraph_id': 5, 'end_character': 457, 'bleu_score': 0.6617737683808871, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 9500599306077308891}, 'section': 'Section::::Specifications.\n'}]}]