Question: when was kolhapur state merged into bombay province
[{'answer': '1 March 1949', 'provenance': [{'wikipedia_id': '23745634', 'title': 'Kolhapur State', 'start_paragraph_id': 6, 'start_character': 194, 'end_paragraph_id': 6, 'end_character': 206, 'bleu_score': 1.0, 'section': 'Section::::History.\n'}]}, {'provenance': [{'wikipedia_id': '23745634', 'title': 'Kolhapur State', 'start_paragraph_id': 6, 'start_character': 0, 'end_paragraph_id': 6, 'end_character': 425, 'bleu_score': 0.9716239638199891, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 17441846388329421027}, 'section': 'Section::::History.\n'}]}]