Question: who played andy dufresne in the shawshank redemption
[{'answer': 'Tim Robbins', 'provenance': [{'wikipedia_id': '30625', 'title': 'The Shawshank Redemption', 'start_paragraph_id': 1, 'start_character': 220, 'end_paragraph_id': 1, 'end_character': 231, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '30625', 'title': 'The Shawshank Redemption', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 686, 'bleu_score': 0.9813933169956551, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 11843178664055452294}, 'section': 'Section::::Abstract.'}]}]