Question: what is the meaning of dd in bank
[{'answer': 'demand draft', 'provenance': [{'wikipedia_id': '12211246', 'title': 'Demand draft', 'start_paragraph_id': 1, 'start_character': 2, 'end_paragraph_id': 1, 'end_character': 14, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '12211246', 'title': 'Demand draft', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 233, 'bleu_score': 0.953991849837532, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 10174379816559425107}, 'section': 'Section::::Abstract.'}]}]