Question: when was abbey national taken over by santander
[{'answer': 'November 2004', 'provenance': [{'wikipedia_id': '592629', 'title': 'Abbey National', 'start_paragraph_id': 3, 'start_character': 55, 'end_paragraph_id': 3, 'end_character': 68, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '592629', 'title': 'Abbey National', 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 403, 'bleu_score': 0.970795021215021, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 3271606278184892318}, 'section': 'Section::::Abstract.'}]}]