Question: when did the philippines become an american territory
[{'answer': 'December 10 , 1898', 'provenance': [{'wikipedia_id': '5807102', 'title': 'History of the Philippines (1898–1946)', 'start_paragraph_id': 52, 'start_character': 1329, 'end_paragraph_id': 52, 'end_character': 1347, 'bleu_score': 1.0, 'section': 'Section::::Spanish–American War (1898).:Spanish–American War ends.\n'}]}, {'provenance': [{'wikipedia_id': '5807102', 'title': 'History of the Philippines (1898–1946)', 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 329, 'bleu_score': 0.50826601860567, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 5851527806767342294}, 'section': 'Section::::Abstract.'}]}]