Question: at what age did lebron start playing basketball
[{'answer': 'nine', 'provenance': [{'wikipedia_id': '240940', 'title': 'LeBron James', 'start_paragraph_id': 6, 'start_character': 607, 'end_paragraph_id': 6, 'end_character': 611, 'bleu_score': 1.0, 'section': 'Section::::Early life.\n'}]}, {'provenance': [{'wikipedia_id': '240940', 'title': 'LeBron James', 'start_paragraph_id': 6, 'start_character': 0, 'end_paragraph_id': 6, 'end_character': 621, 'bleu_score': 0.807997192800266, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 14708496540398492950}, 'section': 'Section::::Early life.\n'}]}]