Question: who played mississippi in the movie el dorado
[{'answer': 'James Caan', 'provenance': [{'wikipedia_id': '1346469', 'title': 'El Dorado (1966 film)', 'start_paragraph_id': 1, 'start_character': 535, 'end_paragraph_id': 1, 'end_character': 545, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '1346469', 'title': 'El Dorado (1966 film)', 'start_paragraph_id': 16, 'start_character': 0, 'end_paragraph_id': 16, 'end_character': 75, 'bleu_score': 0.7598356856515921, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 185397467654663929}, 'section': 'Section::::Cast.\n'}]}]