Question: who played the role of gabbar in film sholay
[{'answer': 'Amjad Khan', 'provenance': [{'wikipedia_id': '648216', 'title': 'Sholay', 'start_paragraph_id': 1, 'start_character': 356, 'end_paragraph_id': 1, 'end_character': 366, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '648216', 'title': 'Sholay', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 707, 'bleu_score': 0.8262513558826381, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 3605764696562828281}, 'section': 'Section::::Abstract.'}]}]