Question: who has won the most number of kerala state film award
[{'answer': 'Mohanlal', 'provenance': [{'wikipedia_id': '21690749', 'title': 'Kerala State Film Award for Best Actor', 'start_paragraph_id': 3, 'start_character': 231, 'end_paragraph_id': 3, 'end_character': 239, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '21690749', 'title': 'Kerala State Film Award for Best Actor', 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 754, 'bleu_score': 0.742435651334, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 17533378929708401215}, 'section': 'Section::::Abstract.'}]}]