Question: according to mahabharata who constructed unparalleled palace of pandavas
[{'answer': 'Mayasura', 'provenance': [{'wikipedia_id': '3346583', 'title': 'Mayasura', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 8, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '3346583', 'title': 'Mayasura', 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 611, 'bleu_score': 0.933167723336874, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 13173402958837933446}, 'section': 'Section::::In the "Mahabharata".\n'}]}]