Question: when did the us military leave puerto rico
[{'answer': 'May 1 , 2003', 'provenance': [{'wikipedia_id': '9267714', 'title': 'United States Navy in Vieques, Puerto Rico', 'start_paragraph_id': 45, 'start_character': 3, 'end_paragraph_id': 45, 'end_character': 18, 'bleu_score': 1.0, 'section': 'Section::::Military withdrawal 2001-2003.\n'}]}, {'provenance': [{'wikipedia_id': '9267714', 'title': 'United States Navy in Vieques, Puerto Rico', 'start_paragraph_id': 45, 'start_character': 0, 'end_paragraph_id': 45, 'end_character': 483, 'bleu_score': 0.976327165973018, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 2429610514293819094}, 'section': 'Section::::Military withdrawal 2001-2003.\n'}]}]