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_49264 ( "Poll Source" text, "Dates administered" text, "Democrat: Larry LaRocco" text, "Republican: Jim Risch" text, "Lead Margin" real )

### Question ###
Which Poll Source has a Republican Jim Risch of 43%?

### Accurate SQL ###

SELECT "Poll Source" FROM table_49264 WHERE "Republican: Jim Risch" = '43%'