Question: which is the oldest tropical rainforest in the world
[{'answer': 'Taman Negara', 'provenance': [{'wikipedia_id': '674067', 'title': 'Taman Negara', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 12, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]