Question: who plays perseus in the clash of the titans
[{'answer': 'Harry Hamlin', 'provenance': [{'wikipedia_id': '948548', 'title': 'Clash of the Titans (1981 film)', 'start_paragraph_id': 1, 'start_character': 197, 'end_paragraph_id': 1, 'end_character': 209, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '948548', 'title': 'Clash of the Titans (1981 film)', 'start_paragraph_id': 11, 'start_character': 0, 'end_paragraph_id': 11, 'end_character': 35, 'bleu_score': 0.5081327481546141, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 5314120179211572073}, 'section': 'Section::::Cast.\n'}]}]