Question: who plays tiana's mom in once upon a time
[{'answer': 'Robin Givens', 'provenance': [{'wikipedia_id': '54030079', 'title': 'Once Upon a Time (season 7)', 'start_paragraph_id': 88, 'start_character': 521, 'end_paragraph_id': 88, 'end_character': 533, 'bleu_score': 1.0, 'section': 'Section::::Production.:Casting.\n'}]}, {'provenance': [{'wikipedia_id': '54030079', 'title': 'Once Upon a Time (season 7)', 'start_paragraph_id': 88, 'start_character': 0, 'end_paragraph_id': 88, 'end_character': 573, 'bleu_score': 0.9808590314834971, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 17075627289105489665}, 'section': 'Section::::Production.:Casting.\n'}]}]