Question: where is the grand prismatic spring located in yellowstone
[{'answer': 'the Midway Geyser Basin', 'provenance': [{'wikipedia_id': '1895762', 'title': 'Grand Prismatic Spring', 'start_paragraph_id': 1, 'start_character': 224, 'end_paragraph_id': 1, 'end_character': 247, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '1895762', 'title': 'Grand Prismatic Spring', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 247, 'bleu_score': 0.955027111100031, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 6234642476532365039}, 'section': 'Section::::Abstract.'}]}]