Question: who does barry allen date in the flash
[{'answer': 'Iris West', 'provenance': [{'wikipedia_id': '1257797', 'title': 'Flash (Barry Allen)', 'start_paragraph_id': 6, 'start_character': 179, 'end_paragraph_id': 6, 'end_character': 188, 'bleu_score': 1.0, 'section': 'Section::::Fictional character biography.\n'}]}]