Question: how many royal parks are there in london
[{'answer': 'eight', 'provenance': [{'wikipedia_id': '210366', 'title': 'Royal Parks of London', 'start_paragraph_id': 3, 'start_character': 192, 'end_paragraph_id': 3, 'end_character': 197, 'bleu_score': 1.0, 'section': 'Section::::Parks.\n'}]}, {'provenance': [{'wikipedia_id': '210366', 'title': 'Royal Parks of London', 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 283, 'bleu_score': 0.853465210039668, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 18378971785912320147}, 'section': 'Section::::Parks.\n'}]}]