Question: who did arsenal beat in fa cup final
[{'answer': 'Manchester United', 'provenance': [{'wikipedia_id': '5798230', 'title': '2005 FA Cup Final', 'start_paragraph_id': 1, 'start_character': 70, 'end_paragraph_id': 1, 'end_character': 87, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '5798230', 'title': '2005 FA Cup Final', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 629, 'bleu_score': 0.9202749645782621, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 17126274758441936250}, 'section': 'Section::::Abstract.'}]}]