Question: who are the characters of dreamgirls based on
[{'answer': 'The Supremes', 'provenance': [{'wikipedia_id': '3825963', 'title': 'Dreamgirls (film)', 'start_paragraph_id': 1, 'start_character': 431, 'end_paragraph_id': 1, 'end_character': 443, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '3825963', 'title': 'Dreamgirls (film)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 648, 'bleu_score': 0.9583546176158331, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 7630606330472323685}, 'section': 'Section::::Abstract.'}]}]