Question: who won the x factor uk season 14
[{'answer': 'Rak - Su', 'provenance': [{'wikipedia_id': '52569582', 'title': 'The X Factor (British series 14)', 'start_paragraph_id': 1, 'start_character': 795, 'end_paragraph_id': 1, 'end_character': 805, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '52569582', 'title': 'The X Factor (British series 14)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 959, 'bleu_score': 0.987987443031558, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 118392948000467054}, 'section': 'Section::::Abstract.'}]}]