Question: who appoints the prime minister in trinidad and tobago
[{'answer': 'President', 'provenance': [{'wikipedia_id': '516111', 'title': 'President of Trinidad and Tobago', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 9, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '516111', 'title': 'President of Trinidad and Tobago', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 777, 'bleu_score': 0.9850176677359421, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 13036777662471367427}, 'section': 'Section::::Abstract.'}]}]