Question: where did cavalier king charles spaniel dog originated
[{'answer': 'United Kingdom', 'provenance': [{'wikipedia_id': '338810', 'title': 'Cavalier King Charles Spaniel', 'start_paragraph_id': 1, 'start_character': 146, 'end_paragraph_id': 1, 'end_character': 160, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '338810', 'title': 'Cavalier King Charles Spaniel', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 805, 'bleu_score': 0.7671122234462081, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 2335610848842147180}, 'section': 'Section::::Abstract.'}]}]