Question: what is the value of a presidential dollar coin
[{'answer': '$1', 'provenance': [{'wikipedia_id': '907415', 'title': 'Presidential $1 Coin Program', 'start_paragraph_id': 0, 'start_character': 13, 'end_paragraph_id': 0, 'end_character': 15, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '907415', 'title': 'Presidential $1 Coin Program', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 200, 'bleu_score': 0.6866857875124011, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 16233929537264727766}, 'section': 'Section::::Abstract.'}]}]