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_23437 ( "Episode" text, "First broadcast" text, "Rufus guest" text, "Marcus guest" text, "Winner" text )

### Question ###
Name the rufus guest for episode 1x07

### Accurate SQL ###

SELECT "Rufus guest" FROM table_23437 WHERE "Episode" = '1x07'