user: Question: Which American Labor candidate ran against Democratic candidate Robert F. Wagner?
Columns: ['Office', 'Democratic ticket', 'Republican ticket', 'American Labor ticket', 'Socialist ticket']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['Governor', 'Herbert H. Lehman', 'Thomas E. Dewey', 'Herbert H. Lehman', 'Norman Thomas']
SQL:

assistant: SELECT "American Labor ticket" FROM "Table" WHERE "Democratic ticket" = 'Robert F. Wagner';