Question: municipal mayor of sta. cruz davao del sur
[{'answer': 'Joel Ray Lopez', 'provenance': [{'wikipedia_id': '2154626', 'title': 'Santa Cruz, Davao del Sur', 'start_paragraph_id': 20, 'start_character': 355, 'end_paragraph_id': 20, 'end_character': 369, 'bleu_score': 1.0, 'section': 'Section::::History.:Aspiration for cityhood.\n'}]}]