Question: how many wonders of the ancient world are there
[{'answer': 'Seven', 'provenance': [{'wikipedia_id': '19342741', 'title': 'Wonders of the World', 'start_paragraph_id': 2, 'start_character': 4, 'end_paragraph_id': 2, 'end_character': 9, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '19342741', 'title': 'Wonders of the World', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 444, 'bleu_score': 0.898067318789689, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 14854279356856906401}, 'section': 'Section::::Abstract.'}]}]