Question: who starred in the movie birdman of alcatraz
[{'answer': 'Burt Lancaster', 'provenance': [{'wikipedia_id': '8581231', 'title': 'Birdman of Alcatraz (film)', 'start_paragraph_id': 1, 'start_character': 72, 'end_paragraph_id': 1, 'end_character': 86, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '8581231', 'title': 'Birdman of Alcatraz (film)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 452, 'bleu_score': 0.955086048783738, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 3766387047826769502}, 'section': 'Section::::Abstract.'}]}]