Question: name the famous monument in delhi made of red sandstone
[{'answer': 'Red Fort', 'provenance': [{'wikipedia_id': '1681410', 'title': 'Red Fort', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 8, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '1681410', 'title': 'Red Fort', 'start_paragraph_id': 5, 'start_character': 0, 'end_paragraph_id': 5, 'end_character': 886, 'bleu_score': 0.948561032772208, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 17502176805479154202}, 'section': 'Section::::History.\n'}]}]