Question: who built the temple of the sun in mexico
[{'answer': 'the Teotihuacanos', 'provenance': [{'wikipedia_id': '3259635', 'title': 'Pyramid of the Sun', 'start_paragraph_id': 3, 'start_character': 154, 'end_paragraph_id': 3, 'end_character': 171, 'bleu_score': 1.0, 'section': 'Section::::History.\n'}]}]