Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_1342218_43 ( candidates VARCHAR, result VARCHAR )

### Question ###
When the result is retired to run for U.S. Senate Democratic Hold, who is the candidate?

### Accurate SQL ###

SELECT candidates FROM table_1342218_43 WHERE result = "Retired to run for U.S. Senate Democratic hold"