Question: three of the four special economic zones are located in which province of china
[{'answer': 'Guangdong Province', 'provenance': [{'wikipedia_id': '1627292', 'title': 'Special economic zones of China', 'start_paragraph_id': 3, 'start_character': 492, 'end_paragraph_id': 3, 'end_character': 510, 'bleu_score': 1.0, 'section': 'Section::::History.\n'}]}]