Question: when did the us invaded iraq the first time
[{'answer': '1991', 'provenance': [{'wikipedia_id': '182000', 'title': 'Gulf War', 'start_paragraph_id': 1, 'start_character': 39, 'end_paragraph_id': 1, 'end_character': 43, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': '24 February', 'provenance': [{'wikipedia_id': '182000', 'title': 'Gulf War', 'start_paragraph_id': 4, 'start_character': 186, 'end_paragraph_id': 4, 'end_character': 197, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '182000', 'title': 'Gulf War', 'start_paragraph_id': 4, 'start_character': 0, 'end_paragraph_id': 4, 'end_character': 600, 'bleu_score': 0.979484453366057, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 12367626362317356450}, 'section': 'Section::::Abstract.'}]}]