Question: when did civil partnerships become legal in the uk
[{'answer': '2004', 'provenance': [{'wikipedia_id': '630822', 'title': 'Civil partnership in the United Kingdom', 'start_paragraph_id': 1, 'start_character': 107, 'end_paragraph_id': 1, 'end_character': 111, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '630822', 'title': 'Civil partnership in the United Kingdom', 'start_paragraph_id': 1, 'start_character': 6, 'end_paragraph_id': 1, 'end_character': 723, 'bleu_score': 0.8728737803186131, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 7213126992143119345}, 'section': 'Section::::Abstract.'}]}]