Question: who plays groot in guardians of the galaxy
[{'answer': 'Vin Diesel', 'provenance': [{'wikipedia_id': '7372235', 'title': 'Groot', 'start_paragraph_id': 2, 'start_character': 361, 'end_paragraph_id': 2, 'end_character': 371, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '7372235', 'title': 'Groot', 'start_paragraph_id': 51, 'start_character': 0, 'end_paragraph_id': 51, 'end_character': 1013, 'bleu_score': 0.988668097924812, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 14959003601217451176}, 'section': 'Section::::In other media.:Film.:Marvel Cinematic Universe.\n'}]}]