Question: who plays christina in bring it on fight to the finish
[{'answer': 'Nikki SooHoo', 'provenance': [{'wikipedia_id': '22407961', 'title': 'Bring It On: Fight to the Finish', 'start_paragraph_id': 16, 'start_character': 12, 'end_paragraph_id': 16, 'end_character': 24, 'bleu_score': 1.0, 'section': 'Section::::Cast.\n'}]}, {'provenance': [{'wikipedia_id': '22407961', 'title': 'Bring It On: Fight to the Finish', 'start_paragraph_id': 16, 'start_character': 0, 'end_paragraph_id': 16, 'end_character': 37, 'bleu_score': 0.5081327481546141, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 6750573078894953833}, 'section': 'Section::::Cast.\n'}]}]