Question: who starred in the movie the great escape
[{'answer': 'Steve McQueen', 'provenance': [{'wikipedia_id': '181229', 'title': 'The Great Escape (film)', 'start_paragraph_id': 1, 'start_character': 59, 'end_paragraph_id': 1, 'end_character': 72, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'James Garner', 'provenance': [{'wikipedia_id': '181229', 'title': 'The Great Escape (film)', 'start_paragraph_id': 1, 'start_character': 74, 'end_paragraph_id': 1, 'end_character': 86, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Richard Attenborough', 'provenance': [{'wikipedia_id': '181229', 'title': 'The Great Escape (film)', 'start_paragraph_id': 1, 'start_character': 91, 'end_paragraph_id': 1, 'end_character': 111, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]