Question: who played calibos in the original clash of the titans
[{'answer': 'Neil McCarthy as Calibos', 'provenance': [{'wikipedia_id': '948548', 'title': 'Clash of the Titans (1981 film)', 'start_paragraph_id': 23, 'start_character': 12, 'end_paragraph_id': 23, 'end_character': 36, 'bleu_score': 1.0, 'section': 'Section::::Cast.\n'}]}]