Question: who played the priest in on the waterfront
[{'answer': 'Karl Malden', 'provenance': [{'wikipedia_id': '42361', 'title': 'On the Waterfront', 'start_paragraph_id': 1, 'start_character': 145, 'end_paragraph_id': 1, 'end_character': 156, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '42361', 'title': 'On the Waterfront', 'start_paragraph_id': 7, 'start_character': 0, 'end_paragraph_id': 7, 'end_character': 613, 'bleu_score': 0.9804854598160591, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 11472167974701300875}, 'section': 'Section::::Plot.\n'}]}]