Question: who plays whitney houston in the lifetime movie
[{'answer': 'Yaya DaCosta', 'provenance': [{'wikipedia_id': '329171', 'title': 'Whitney', 'start_paragraph_id': 6, 'start_character': 69, 'end_paragraph_id': 6, 'end_character': 81, 'bleu_score': 1.0, 'section': 'Section::::Fictional characters.:Film and television.\n'}]}]