Question: who led the nba in steals last year
[{'answer': 'Draymond Green', 'provenance': [{'wikipedia_id': '27074114', 'title': 'List of National Basketball Association annual steals leaders', 'start_paragraph_id': 3, 'start_character': 569, 'end_paragraph_id': 3, 'end_character': 583, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]