Question: when did coast guard became part of homeland security
[{'answer': '25 November 2002', 'provenance': [{'wikipedia_id': '32223', 'title': 'United States Coast Guard', 'start_paragraph_id': 37, 'start_character': 3, 'end_paragraph_id': 37, 'end_character': 19, 'bleu_score': 1.0, 'section': 'Section::::Mission.:Authority as an armed service.\n'}]}, {'provenance': [{'wikipedia_id': '32223', 'title': 'United States Coast Guard', 'start_paragraph_id': 37, 'start_character': 0, 'end_paragraph_id': 37, 'end_character': 365, 'bleu_score': 0.9663744727315161, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 17087335303814969372}, 'section': 'Section::::Mission.:Authority as an armed service.\n'}]}]