Question: what is the capital name of west indies
[{'answer': 'Port of Spain', 'provenance': [{'wikipedia_id': '218339', 'title': 'West Indies Federation', 'start_paragraph_id': 1, 'start_character': 437, 'end_paragraph_id': 1, 'end_character': 450, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '218339', 'title': 'West Indies Federation', 'start_paragraph_id': 29, 'start_character': 0, 'end_paragraph_id': 29, 'end_character': 922, 'bleu_score': 0.9874601949752461, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4599290131416724822}, 'section': 'Section::::Proposed and "de facto" capital.\n'}]}]