Question: what is the area code for louisville kentucky
[{'answer': '502', 'provenance': [{'wikipedia_id': '5851988', 'title': 'Area code 502', 'start_paragraph_id': 0, 'start_character': 10, 'end_paragraph_id': 0, 'end_character': 13, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '5851988', 'title': 'Area code 502', 'start_paragraph_id': 19, 'start_character': 0, 'end_paragraph_id': 19, 'end_character': 270, 'bleu_score': 0.9569637990759251, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 7025474092684678114}, 'section': 'Section::::Abstract.'}]}]