Which singer is from Canada and had a song featured in the movie Titanic?
{'directed': True, 'multigraph': False, 'graph': {}, 'nodes': [{'type': 'INTERNAL', 'name_': 'Q30', 'id': 0, 'label': 'United States of America'}, {'type': 'INTERNAL', 'name_': 'Q84', 'id': 1, 'label': 'London'}, {'type': 'QUESTIONS_ENTITY', 'name_': 'Q16', 'id': 2, 'label': 'Canada'}, {'type': 'INTERNAL', 'name_': 'Q159273', 'id': 3, 'label': 'Arequipa'}, {'type': 'ANSWER_CANDIDATE_ENTITY', 'name_': 'Q24639', 'id': 4, 'label': 'Vancouver'}, {'type': 'INTERNAL', 'name_': 'Q18967', 'id': 5, 'label': "National Lampoon's Van Wilder"}, {'type': 'INTERNAL', 'name_': 'Q192682', 'id': 6, 'label': 'Ryan Reynolds'}, {'type': 'INTERNAL', 'name_': 'Q190588', 'id': 7, 'label': 'Love Actually'}, {'type': 'QUESTIONS_ENTITY', 'name_': 'Q44578', 'id': 8, 'label': 'Titanic'}], 'links': [{'name_': 'P17', 'source': 0, 'target': 0, 'label': 'country'}, {'name_': 'P530', 'source': 0, 'target': 2, 'label': 'diplomatic relation'}, {'name_': 'P190', 'source': 3, 'target': 1, 'label': 'twinned administrative body'}, {'name_': 'P190', 'source': 3, 'target': 4, 'label': 'twinned administrative body'}, {'name_': 'P495', 'source': 5, 'target': 0, 'label': 'country of origin'}, {'name_': 'P915', 'source': 5, 'target': 4, 'label': 'filming location'}, {'name_': 'P161', 'source': 5, 'target': 6, 'label': 'cast member'}, {'name_': 'P27', 'source': 6, 'target': 0, 'label': 'country of citizenship'}, {'name_': 'P27', 'source': 6, 'target': 2, 'label': 'country of citizenship'}, {'name_': 'P19', 'source': 6, 'target': 4, 'label': 'place of birth'}, {'name_': 'P495', 'source': 7, 'target': 0, 'label': 'country of origin'}, {'name_': 'P840', 'source': 7, 'target': 1, 'label': 'narrative location'}, {'name_': 'P8371', 'source': 7, 'target': 8, 'label': 'references work, tradition or theory'}]}