Question: who owns the number 9 car in the xfinity series
[{'answer': 'William Byron', 'provenance': [{'wikipedia_id': '4761530', 'title': 'JR Motorsports', 'start_paragraph_id': 10, 'start_character': 607, 'end_paragraph_id': 10, 'end_character': 620, 'bleu_score': 1.0, 'section': 'Section::::Xfinity Series.:Car No. 1 history.\n'}]}, {'provenance': [{'wikipedia_id': '4761530', 'title': 'JR Motorsports', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 601, 'bleu_score': 0.62235483078609, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 15762683214815061196}, 'section': 'Section::::Abstract.'}]}]