Question: who played zeus in clash of the titans
[{'answer': 'Liam Neeson', 'provenance': [{'wikipedia_id': '22358819', 'title': 'Clash of the Titans (2010 film)', 'start_paragraph_id': 1, 'start_character': 326, 'end_paragraph_id': 1, 'end_character': 337, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '22358819', 'title': 'Clash of the Titans (2010 film)', 'start_paragraph_id': 12, 'start_character': 0, 'end_paragraph_id': 12, 'end_character': 31, 'bleu_score': 0.5081327481546141, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 17145753172104496392}, 'section': 'Section::::Cast.\n'}]}]