Question: how many times has kobe bryant led the league in scoring
[{'answer': '2', 'provenance': [{'wikipedia_id': '19111575', 'title': 'List of career achievements by Kobe Bryant', 'start_paragraph_id': 1, 'start_character': 127, 'end_paragraph_id': 1, 'end_character': 128, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]