Question: the persian gulf war began when iraq invaded what country
[{'answer': 'Kuwait', 'provenance': [{'wikipedia_id': '182000', 'title': 'Gulf War', 'start_paragraph_id': 1, 'start_character': 408, 'end_paragraph_id': 1, 'end_character': 414, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '182000', 'title': 'Gulf War', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 815, 'bleu_score': 0.5884438368211901, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 3827682392582244498}, 'section': 'Section::::Abstract.'}]}]