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 | William F. Bleakley | Herbert H. Lehman | Harry W. Laidler |
| Lieutenant Governor | M. William Bray | Ralph K. Robertson | (none) | Herman J. Hahn |
| Comptroller | Morris S. Tremaine | John A. May | (none) | Coleman B. Cheney |
| Attorney General | John J. Bennett, Jr. | Nathan D. Perlman | (none) | Edward Marks |
| Judge of the Court of Appeals | Harlan W. Rippey | James P. Hill | (none) | Darwin J. Meserole |
| U.S. Representative-at-large | Matthew J. Merritt | Anthony J. Contiguglia | (none) | Frank R. Crosswaith |
| U.S. Representative-at-large | Caroline O'Day | Natalie F. Couch | (none) | Edna Mitchell Blue |
Question:
Who's the Republican ticket with a Democratic ticket of m. william bray?
Answer:
Ralph K. Robertson