Question: how many stone blocks in the great pyramid of giza
[{'answer': 'estimated 2.3 million', 'provenance': [{'wikipedia_id': '12224', 'title': 'Great Pyramid of Giza', 'start_paragraph_id': 10, 'start_character': 33, 'end_paragraph_id': 10, 'end_character': 54, 'bleu_score': 1.0, 'section': 'Section::::Materials.\n'}]}]