Question: who is jennifer hudson's character in dreamgirls based on
[{'answer': 'Supremes member Florence Ballard', 'provenance': [{'wikipedia_id': '3825963', 'title': 'Dreamgirls (film)', 'start_paragraph_id': 17, 'start_character': 56, 'end_paragraph_id': 17, 'end_character': 88, 'bleu_score': 1.0, 'section': 'Section::::Cast.\n'}]}]