Question: who introduced the first chrismas tree to the uk
[{'answer': 'Charlotte of Mecklenburg - Strelitz', 'provenance': [{'wikipedia_id': '7770', 'title': 'Christmas tree', 'start_paragraph_id': 36, 'start_character': 285, 'end_paragraph_id': 36, 'end_character': 319, 'bleu_score': 1.0, 'section': 'Section::::History.:18th to early 20th centuries.:Britain.\n'}]}, {'answer': "George III 's German - born wife , Charlotte of Mecklenburg - Strelitz"}, {'answer': ', Charlotte of Mecklenburg - Strelitz'}, {'provenance': [{'wikipedia_id': '7770', 'title': 'Christmas tree', 'start_paragraph_id': 36, 'start_character': 0, 'end_paragraph_id': 36, 'end_character': 632, 'bleu_score': 0.9029697448477051, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 14029159277888997199}, 'section': 'Section::::History.:18th to early 20th centuries.:Britain.\n'}]}, {'provenance': [{'wikipedia_id': '7770', 'title': 'Christmas tree', 'section': 'Section::::History.:18th to early 20th centuries.:Britain.\n', 'start_paragraph_id': 36, 'end_paragraph_id': 36, 'meta': {'evidence_span': ['Charlotte of Mecklenburg-Strelitz, introduced a Christmas tree at a party', "At the time of the personal union with Hanover, George III's German-born wife, Charlotte of Mecklenburg-Strelitz, introduced a Christmas tree at a party she gave for children in 1800.", "At the time of the personal union with Hanover, George III's German-born wife, Charlotte of Mecklenburg-Strelitz, introduced a Christmas tree at a party she gave for children in 1800. The custom did not at first spread much beyond the royal family."]}}]}]