Question: who was involved in the iran iraq war
[{'answer': 'Iran', 'provenance': [{'wikipedia_id': '14889', 'title': 'Iran–Iraq War', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 4, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Iraq', 'provenance': [{'wikipedia_id': '14889', 'title': 'Iran–Iraq War', 'start_paragraph_id': 0, 'start_character': 5, 'end_paragraph_id': 0, 'end_character': 9, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '14889', 'title': 'Iran–Iraq War', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 504, 'bleu_score': 0.785184450527719, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 11479556246336883002}, 'section': 'Section::::Abstract.'}]}]