Question: when did hurricane maria hit puerto rico in 2017
[{'answer': 'Wednesday , September 20', 'provenance': [{'wikipedia_id': '55262011', 'title': 'Hurricane Maria', 'start_paragraph_id': 37, 'start_character': 42, 'end_paragraph_id': 37, 'end_character': 66, 'bleu_score': 1.0, 'section': 'Section::::Impact in the Greater Antilles and the United States.:Puerto Rico.\n'}]}, {'provenance': [{'wikipedia_id': '55262011', 'title': 'Hurricane Maria', 'start_paragraph_id': 37, 'start_character': 202, 'end_paragraph_id': 37, 'end_character': 1174, 'bleu_score': 0.613620590839703, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 14537360747562795831}, 'section': 'Section::::Impact in the Greater Antilles and the United States.:Puerto Rico.\n'}]}]