Question: what is the name of the peninsula were many mayan cities were located
[{'answer': 'Yucatán Peninsula', 'provenance': [{'wikipedia_id': '18449273', 'title': 'Maya civilization', 'start_paragraph_id': 1, 'start_character': 524, 'end_paragraph_id': 1, 'end_character': 541, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '18449273', 'title': 'Maya civilization', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 736, 'bleu_score': 0.8770976803629401, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 10071760463466353569}, 'section': 'Section::::Abstract.'}]}]