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_203_43 ( id number, "polling firm" text, "month" text, "link" text, "favor" number, "oppose" number )

### Question ###
which was the only polling firm to show more than 50 percent in favor of same sex marriage in 2006 ?

### Accurate SQL ###

SELECT "polling firm" FROM table_203_43 WHERE "favor" > 50 AND "month" = 2006