Question: who won the booker prize in 2008 for his novel the white tiger
[{'answer': 'Aravind Adiga', 'provenance': [{'wikipedia_id': '19248200', 'title': 'The White Tiger', 'start_paragraph_id': 1, 'start_character': 52, 'end_paragraph_id': 1, 'end_character': 65, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '19248200', 'title': 'The White Tiger', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 850, 'bleu_score': 0.9858648355536391, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 12141237356769873539}, 'section': 'Section::::Abstract.'}]}]