Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Office | Democratic ticket | Republican ticket | American Labor ticket | Socialist ticket |
| --- | --- | --- | --- | --- |
| Governor | Herbert H. Lehman | Thomas E. Dewey | Herbert H. Lehman | Norman Thomas |
| Lieutenant Governor | Charles Poletti | Frederic H. Bontecou | Charles Poletti | George W. Hartmann |
| Comptroller | Morris S. Tremaine | Julius Rothstein | Langdon W. Post | Coleman B. Cheney |
| Attorney General | John J. Bennett, Jr. | Arthur V. McDermott | Joseph V. O'Leary | Marion L. Severn |
| U.S. Senator (full term) | Robert F. Wagner | John Lord O'Brian | Robert F. Wagner | Herman J. Hahn |
| U.S. Senator (short term) | James M. Mead | Edward F. Corsi | James M. Mead | Harry W. Laidler |
| U.S. Representative-at-large | Matthew J. Merritt | Richard B. Scandrett, Jr. | Matthew J. Merritt | Brendan Sexton |
| U.S. Representative-at-large | Caroline O'Day | Helen Z. M. Rodgers | Caroline O'Day | Edna Mitchell Blue |
Question:
Which American Labor candidate is running against the Socialist candidate Herman J. Hahn?
Answer:
Robert F. Wagner