Question: who plays the lead role in citizen khan
[{'answer': 'Adil Ray', 'provenance': [{'wikipedia_id': '36844669', 'title': 'Citizen Khan', 'start_paragraph_id': 1, 'start_character': 68, 'end_paragraph_id': 1, 'end_character': 76, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '36844669', 'title': 'Citizen Khan', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 728, 'bleu_score': 0.936964929034769, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 13352022258080803632}, 'section': 'Section::::Abstract.'}]}]