Question: how many levels are in the great pyramid of giza
[{'answer': 'three', 'provenance': [{'wikipedia_id': '12224', 'title': 'Great Pyramid of Giza', 'start_paragraph_id': 1, 'start_character': 121, 'end_paragraph_id': 1, 'end_character': 126, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '12224', 'title': 'Great Pyramid of Giza', 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 589, 'bleu_score': 0.928445924362677, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 3492173350176816590}, 'section': 'Section::::Abstract.'}]}]