Question: how strong was hurricane harvey when it hit texas
[{'answer': 'Category 4', 'provenance': [{'wikipedia_id': '55016388', 'title': 'Hurricane Harvey', 'start_paragraph_id': 2, 'start_character': 1084, 'end_paragraph_id': 2, 'end_character': 1094, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]