Question: when was the last time glentoran won the league
[{'answer': '7 July 2011', 'provenance': [{'wikipedia_id': '828172', 'title': 'Glentoran F.C.', 'start_paragraph_id': 37, 'start_character': 3, 'end_paragraph_id': 37, 'end_character': 14, 'bleu_score': 1.0, 'section': 'Section::::History.:Financial Troubles (2006–2019).:Young (2010–2012).\n'}]}, {'provenance': [{'wikipedia_id': '828172', 'title': 'Glentoran F.C.', 'start_paragraph_id': 37, 'start_character': 0, 'end_paragraph_id': 37, 'end_character': 313, 'bleu_score': 0.8100837116751861, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 8817380883915500356}, 'section': 'Section::::History.:Financial Troubles (2006–2019).:Young (2010–2012).\n'}]}]