Question: what are the established years of spanish occupancy of the philippines
[{'answer': '1521 to 1898', 'provenance': [{'wikipedia_id': '23888361', 'title': 'History of the Philippines (1521–1898)', 'start_paragraph_id': 1, 'start_character': 36, 'end_paragraph_id': 1, 'end_character': 48, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '23888361', 'title': 'History of the Philippines (1521–1898)', 'start_paragraph_id': 1, 'start_character': 437, 'end_paragraph_id': 1, 'end_character': 768, 'bleu_score': 0.659600928185557, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 7303417594298770985}, 'section': 'Section::::Abstract.'}]}]