Question: who plays the big guy on guardians of the galaxy
[{'answer': 'Dave Bautista', 'provenance': [{'wikipedia_id': '36450985', 'title': 'Guardians of the Galaxy (film)', 'start_paragraph_id': 1, 'start_character': 473, 'end_paragraph_id': 1, 'end_character': 486, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '36450985', 'title': 'Guardians of the Galaxy (film)', 'start_paragraph_id': 15, 'start_character': 0, 'end_paragraph_id': 15, 'end_character': 1038, 'bleu_score': 0.9896100372834851, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 7883229263269898502}, 'section': 'Section::::Cast.\n'}]}]