Question: who does samuel l jackson play in the avengers
[{'answer': 'Nick Fury', 'provenance': [{'wikipedia_id': '54306', 'title': 'Samuel L. Jackson', 'start_paragraph_id': 3, 'start_character': 105, 'end_paragraph_id': 3, 'end_character': 114, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '54306', 'title': 'Samuel L. Jackson', 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 428, 'bleu_score': 0.6091464222748281, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 17649853634062208927}, 'section': 'Section::::Abstract.'}]}]