Question: what is the opening part of the declaration of independence called
[{'answer': 'introduction', 'provenance': [{'wikipedia_id': '31874', 'title': 'United States Declaration of Independence', 'start_paragraph_id': 43, 'start_character': 109, 'end_paragraph_id': 43, 'end_character': 121, 'bleu_score': 1.0, 'section': 'Section::::Annotated text of the engrossed declaration.\n'}]}, {'provenance': [{'wikipedia_id': '31874', 'title': 'United States Declaration of Independence', 'start_paragraph_id': 43, 'start_character': 0, 'end_paragraph_id': 43, 'end_character': 222, 'bleu_score': 0.9383861709333501, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 13531548587502234686}, 'section': 'Section::::Annotated text of the engrossed declaration.\n'}]}]