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_35646 ( "Date" text, "Site" text, "Sport" text, "Winning team" text, "Series" text )

### Question ###
Which Site has a Date of march 17, 2006 and an iowa state Winning team?

### Accurate SQL ###

SELECT "Site" FROM table_35646 WHERE "Date" = 'march 17, 2006' AND "Winning team" = 'iowa state'