Question: who plays john wick on the big screen
[{'answer': 'Keanu Charles Reeves', 'provenance': [{'wikipedia_id': '16603', 'title': 'Keanu Reeves', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 20, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '16603', 'title': 'Keanu Reeves', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 664, 'bleu_score': 0.7535625971907961, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 10825564482266351856}, 'section': 'Section::::Abstract.'}]}]