Question: what's the name of the joker's girlfriend
[{'answer': 'Harley Quinn', 'provenance': [{'wikipedia_id': '311899', 'title': 'Harley Quinn', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 12, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '311899', 'title': 'Harley Quinn', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 679, 'bleu_score': 0.791750013096699, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4711699157383331881}, 'section': 'Section::::Abstract.'}]}]