Who is the youngest person to win the U.S. Open?
{'directed': True, 'multigraph': False, 'graph': {}, 'nodes': [{'type': 'INTERNAL', 'name_': 'Q30', 'id': 0, 'label': 'United States of America'}, {'type': 'QUESTIONS_ENTITY', 'name_': 'Q259776', 'id': 1, 'label': 'U.S. Open'}, {'type': 'ANSWER_CANDIDATE_ENTITY', 'name_': 'Q53326', 'id': 2, 'label': 'Tracy Austin'}], 'links': [{'name_': 'P17', 'source': 0, 'target': 0, 'label': 'country'}, {'name_': 'P17', 'source': 1, 'target': 0, 'label': 'country'}, {'name_': 'P27', 'source': 2, 'target': 0, 'label': 'country of citizenship'}]}
Tracy Austin is a citizen of the United States, where the U.S. Open is played.
The United States of America is the location of the U.S. Open and the country of origin of Tracy Austin .
Who is the youngest person to win the U.S. Open?</s> [unused1]Tracy Austin                [unused2] is a citizen of the United States, where the U.S. Open is played.
Who is the youngest person to win the U.S. Open?</s>Tracy Austin is a citizen of the United States, where the U.S. Open is played.
Who is the youngest person to win the U.S. Open?</s>The United States of America is the location of the U.S. Open and the country of origin of [unused1]Tracy Austin                [unused2] .
Who is the youngest person to win the U.S. Open?</s>The United States of America is the location of the U.S. Open and the country of origin of Tracy Austin .
Who is the youngest person to win the U.S. Open?</s>United States of America,country,United States of America,United States of America,0,U.S. Open,United States of America,0,[unused1]Tracy Austin[unused2],U.S. Open,country,United States of America,U.S. Open,0,U.S. Open,U.S. Open,0,[unused1]Tracy Austin[unused2],[unused1]Tracy Austin[unused2],country of citizenship,United States of America,[unused1]Tracy Austin[unused2],0,U.S. Open,[unused1]Tracy Austin[unused2],0,[unused1]Tracy Austin[unused2]
Who is the youngest person to win the U.S. Open?</s>United States of America,country,United States of America,United States of America,0,U.S. Open,United States of America,0,Tracy Austin,U.S. Open,country,United States of America,U.S. Open,0,U.S. Open,U.S. Open,0,Tracy Austin,Tracy Austin,country of citizenship,United States of America,Tracy Austin,0,U.S. Open,Tracy Austin,0,Tracy Austin