Question: when did martial law in the philippines end
[{'answer': '81'}, {'answer': '1981'}, {}, {'provenance': [{'wikipedia_id': '5824978', 'title': 'History of the Philippines (1965–86)', 'start_paragraph_id': 23, 'start_character': 0, 'end_paragraph_id': 23, 'end_character': 176, 'bleu_score': 0.9364250605898111, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 15426472134909155584}, 'section': 'Section::::Martial law (1972–1981).\n'}]}, {'provenance': [{'wikipedia_id': '5824978', 'title': 'History of the Philippines (1965–86)', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 0, 'bleu_score': 1.0, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 15426472134909155584}, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '5082821', 'title': 'Proclamation No. 1081', 'section': 'Section::::Abstract.', 'start_paragraph_id': 2, 'end_paragraph_id': 2, 'meta': {'evidence_span': ['Proclamation 1081 was the document which contained formal proclamation of martial law in the Philippines by President Ferdinand Marcos, as announced to the public on 23 September 1972. The proclamation marked the beginning of a 14-year period of one-man rule which would effectively last until Marcos was exiled from the country on February 25, 1986. Even though the formal document proclaiming Martial Law - Proclamation No. 1081 - was formally lifted on January 17, 1981, Marcos retained essentially all of his powers as dictator until he was ousted by the EDSA Revolution in February 1986.', 'Proclamation No. 1081 - was formally lifted on January 17, 1981,']}}]}, {'provenance': [{'wikipedia_id': '34971515', 'title': '1981 in the Philippines', 'section': 'Section::::Abstract.', 'start_paragraph_id': 1, 'end_paragraph_id': 1, 'meta': {'evidence_span': ['1981 in the Philippines details events of note that happened in the Philippines in the year 1981.', '1981 in the Philippines details events of note that happened in the Philippines in the year 1981.', '1981 in the Philippines details events of note that happened in the Philippines in the year 1981.']}}]}, {'provenance': [{'wikipedia_id': '19771974', 'title': 'Martial law in the Philippines', 'section': "Section::::History.:Marcos administration.:Events leading up to Marcos' declaration of Martial Law.\n", 'start_paragraph_id': 25, 'end_paragraph_id': 25, 'meta': {'evidence_span': ['Those who opposed President Marcos, including "The Conjugal Dictatorship" author Primitivo Mijares, the Liberal Party, as well as the Lópezes Manila Chronicle, called the MV Karagatan incident as "show\' or a hoax. In a speech before Senate, Benigno Aquino, Jr. warned the public of the possible establishment of a garrison state by President Ferdinand Marcos. President Marcos imposed martial law on the nation from 1972 to 1981 to suppress increasing civil strife and the threat', 'President Marcos imposed martial law on the nation from 1972 to 1981 to suppress increasing civil strife and the threat']}}]}]