Question: what materials were used in ancient greek architecture
[{'answer': 'Limestone', 'provenance': [{'wikipedia_id': '52684', 'title': 'Ancient Greek architecture', 'start_paragraph_id': 7, 'start_character': 194, 'end_paragraph_id': 7, 'end_character': 203, 'bleu_score': 1.0, 'section': 'Section::::Influences.:Geography.\n'}]}, {'answer': 'high quality white marble', 'provenance': [{'wikipedia_id': '52684', 'title': 'Ancient Greek architecture', 'start_paragraph_id': 7, 'start_character': 270, 'end_paragraph_id': 7, 'end_character': 295, 'bleu_score': 1.0, 'section': 'Section::::Influences.:Geography.\n'}]}, {'answer': "high quality potter 's clay", 'provenance': [{'wikipedia_id': '52684', 'title': 'Ancient Greek architecture', 'start_paragraph_id': 7, 'start_character': 533, 'end_paragraph_id': 7, 'end_character': 564, 'bleu_score': 1.0, 'section': 'Section::::Influences.:Geography.\n'}]}, {'provenance': [{'wikipedia_id': '52684', 'title': 'Ancient Greek architecture', 'start_paragraph_id': 7, 'start_character': 0, 'end_paragraph_id': 7, 'end_character': 729, 'bleu_score': 0.9681638556984851, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 9811683549780995459}, 'section': 'Section::::Influences.:Geography.\n'}]}]