Question: who stars in the lost city of z
[{'answer': 'Charlie Hunnam', 'provenance': [{'wikipedia_id': '20795243', 'title': 'The Lost City of Z (film)', 'start_paragraph_id': 1, 'start_character': 352, 'end_paragraph_id': 1, 'end_character': 366, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Robert Pattinson', 'provenance': [{'wikipedia_id': '20795243', 'title': 'The Lost City of Z (film)', 'start_paragraph_id': 1, 'start_character': 379, 'end_paragraph_id': 1, 'end_character': 395, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Sienna Miller', 'provenance': [{'wikipedia_id': '20795243', 'title': 'The Lost City of Z (film)', 'start_paragraph_id': 1, 'start_character': 434, 'end_paragraph_id': 1, 'end_character': 447, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Tom Holland', 'provenance': [{'wikipedia_id': '20795243', 'title': 'The Lost City of Z (film)', 'start_paragraph_id': 1, 'start_character': 479, 'end_paragraph_id': 1, 'end_character': 490, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]