Question: what was the great pyramid of giza made out of
[{'answer': 'granite', 'provenance': [{'wikipedia_id': '12224', 'title': 'Great Pyramid of Giza', 'start_paragraph_id': 10, 'start_character': 210, 'end_paragraph_id': 10, 'end_character': 217, 'bleu_score': 1.0, 'section': 'Section::::Materials.\n'}]}, {'answer': 'Tura limestone', 'provenance': [{'wikipedia_id': '12224', 'title': 'Great Pyramid of Giza', 'start_paragraph_id': 10, 'start_character': 132, 'end_paragraph_id': 10, 'end_character': 146, 'bleu_score': 1.0, 'section': 'Section::::Materials.\n'}]}, {'provenance': [{'wikipedia_id': '12224', 'title': 'Great Pyramid of Giza', 'start_paragraph_id': 10, 'start_character': 0, 'end_paragraph_id': 10, 'end_character': 851, 'bleu_score': 0.808545886948786, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 7709996411551366637}, 'section': 'Section::::Materials.\n'}]}]