Question: who won the toss in 2011 world cup final
[{'answer': 'Sri Lanka', 'provenance': [{'wikipedia_id': '27597789', 'title': '2011 Cricket World Cup Final', 'start_paragraph_id': 1, 'start_character': 98, 'end_paragraph_id': 1, 'end_character': 107, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '27597789', 'title': '2011 Cricket World Cup Final', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 714, 'bleu_score': 0.7262406454777881, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 510295239875186240}, 'section': 'Section::::Abstract.'}]}]