Question: who played the role of a villain in the 1977 film 'parvarish'
[{'answer': 'Amjad Khan', 'provenance': [{'wikipedia_id': '5178996', 'title': 'Parvarish (1977 film)', 'start_paragraph_id': 1, 'start_character': 301, 'end_paragraph_id': 1, 'end_character': 311, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Kader Khan', 'provenance': [{'wikipedia_id': '5178996', 'title': 'Parvarish (1977 film)', 'start_paragraph_id': 1, 'start_character': 316, 'end_paragraph_id': 1, 'end_character': 326, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '5178996', 'title': 'Parvarish (1977 film)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 425, 'bleu_score': 0.9712154609069981, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 15281416891490364542}, 'section': 'Section::::Abstract.'}]}]