Question: when did carnival start in trinidad and tobago
[{'answer': 'in the late 18th century', 'provenance': [{'wikipedia_id': '1071060', 'title': 'Trinidad and Tobago Carnival', 'start_paragraph_id': 9, 'start_character': 26, 'end_paragraph_id': 9, 'end_character': 50, 'bleu_score': 1.0, 'section': 'Section::::Origin.\n'}]}, {'provenance': [{'wikipedia_id': '1071060', 'title': 'Trinidad and Tobago Carnival', 'start_paragraph_id': 9, 'start_character': 0, 'end_paragraph_id': 9, 'end_character': 465, 'bleu_score': 0.972782728923768, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 3647556926118501865}, 'section': 'Section::::Origin.\n'}]}]