Question: when was the last time it snowed in england on christmas day
[{'answer': '2009', 'provenance': [{'wikipedia_id': '176827', 'title': 'White Christmas (weather)', 'start_paragraph_id': 16, 'start_character': 10, 'end_paragraph_id': 16, 'end_character': 14, 'bleu_score': 1.0, 'section': 'Section::::White Christmases in the United Kingdom.\n'}]}, {'provenance': [{'wikipedia_id': '176827', 'title': 'White Christmas (weather)', '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': 7907679838085822572}, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '176827', 'title': 'White Christmas (weather)', 'start_paragraph_id': 16, 'start_character': 0, 'end_paragraph_id': 16, 'end_character': 374, 'bleu_score': 0.968982777549629, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 7907679838085822572}, 'section': 'Section::::White Christmases in the United Kingdom.\n'}]}, {'provenance': [{'wikipedia_id': '176827', 'title': 'White Christmas (weather)', 'section': 'Section::::White Christmases in the United Kingdom.\n', 'start_paragraph_id': 16, 'end_paragraph_id': 16, 'meta': {'evidence_span': ['Christmas 2009 was a white Christmas in some parts of Britain, with thick lying snow which easterly winds had brought over the previous week.', 'Christmas 2009 was a white Christmas in some parts of Britain, with thick lying snow which easterly winds had brought over the previous week. Travel over much of Britain was badly affected by ice and snow on roads, and was made more slippery by partial daytime thaw followed by overnight refreezing. It was the first white Christmas anywhere in the United Kingdom since 2004. There was another white Christmas in 2010, it was also the coldest Christmas Day ever recorded in the United Kingdom. In 2014, parts of the Northern Isles had a white Christmas and again in 2017, Northern England and Southern Scotland had a white Christmas.']}}]}, {'provenance': [{'wikipedia_id': '21366261', 'title': 'February 2009 Great Britain and Ireland snowfall', 'section': 'Section::::Abstract.', 'start_paragraph_id': 1, 'end_paragraph_id': 1, 'meta': {'evidence_span': ["he February 2009 Great Britain and Ireland snowfall was a prolonged period of snowfall that began on 1 February 2009. Some areas experienced their largest snowfall levels in 18 years. Snow fell over much of Western Europe. The United Kingdom's Met Office and Ireland's Met Éireann issued severe weather warnings in anticipation of the snowfall. More than of snow fell on parts of the North Downs and over in parts of the London area. Such snow accumulation is uncommon in London.", "The February 2009 Great Britain and Ireland snowfall was a prolonged period of snowfall that began on 1 February 2009. Some areas experienced their largest snowfall levels in 18 years. Snow fell over much of Western Europe. The United Kingdom's Met Office and Ireland's Met Éireann issued severe weather warnings in anticipation of the snowfall"]}}]}]