What is the name of the detective in Murder on the Orient Express?
{'directed': True, 'multigraph': False, 'graph': {}, 'nodes': [{'type': 'INTERNAL', 'name_': 'Q1860', 'id': 0, 'label': 'English'}, {'type': 'ANSWER_CANDIDATE_ENTITY', 'name_': 'Q159846', 'id': 1, 'label': 'Paramount Pictures'}, {'type': 'INTERNAL', 'name_': 'Q41132', 'id': 2, 'label': 'Barbarella'}, {'type': 'INTERNAL', 'name_': 'Q845889', 'id': 3, 'label': 'Murder on the Orient Express'}, {'type': 'QUESTIONS_ENTITY', 'name_': 'Q3241699', 'id': 4, 'label': 'Murder on the Orient Express'}], 'links': [{'name_': 'P364', 'source': 2, 'target': 0, 'label': 'original language of performance work'}, {'name_': 'P750', 'source': 2, 'target': 1, 'label': 'distributed by'}, {'name_': 'P407', 'source': 3, 'target': 0, 'label': 'language of work or name'}, {'name_': 'P4969', 'source': 3, 'target': 4, 'label': 'derivative work'}]}