Question: who wrote the national anthem trinidad and tobago
[{'answer': "`` Pat '' Castagne"}, {'provenance': [{'wikipedia_id': '13832384', 'title': 'Patrick Castagne', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 208, 'bleu_score': 0.843133901932949, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 13948714801012503214}, 'section': 'Section::::Abstract.'}]}]