Question: when were tea bags first used in the uk
[{'answer': 'as early as 1903', 'provenance': [{'wikipedia_id': '214968', 'title': 'Tea bag', 'start_paragraph_id': 5, 'start_character': 96, 'end_paragraph_id': 5, 'end_character': 112, 'bleu_score': 1.0, 'section': 'Section::::History.\n'}]}, {'provenance': [{'wikipedia_id': '214968', 'title': 'Tea bag', 'start_paragraph_id': 5, 'start_character': 0, 'end_paragraph_id': 5, 'end_character': 574, 'bleu_score': 0.965664670500009, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 11233927163189832076}, 'section': 'Section::::History.\n'}]}]