Who is the husband of the actress from Black Widow?
{'directed': True, 'multigraph': False, 'graph': {}, 'nodes': [{'type': 'INTERNAL', 'name_': 'Q30', 'id': 0, 'label': 'United States of America'}, {'type': 'ANSWER_CANDIDATE_ENTITY', 'name_': 'Q1397', 'id': 1, 'label': 'Ohio'}, {'type': 'INTERNAL', 'name_': 'Q642878', 'id': 2, 'label': 'Marvel Cinematic Universe'}, {'type': 'QUESTIONS_ENTITY', 'name_': 'Q23894626', 'id': 3, 'label': 'Black Widow'}], 'links': [{'name_': 'P17', 'source': 0, 'target': 0, 'label': 'country'}, {'name_': 'P150', 'source': 0, 'target': 1, 'label': 'contains the administrative territorial entity'}, {'name_': 'P495', 'source': 2, 'target': 0, 'label': 'country of origin'}, {'name_': 'P1445', 'source': 2, 'target': 3, 'label': 'fictional universe described in'}]}