Question: who played the male lead role in the movie 'mughal-e-azam'
[{'answer': 'Dilip Kumar', 'provenance': [{'wikipedia_id': '518117', 'title': 'Mughal-e-Azam', 'start_paragraph_id': 1, 'start_character': 145, 'end_paragraph_id': 1, 'end_character': 156, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]