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_name_29 ( date VARCHAR, republican VARCHAR, sample_size VARCHAR )

### Question ###
What was the date of the poll with a sample size of 496 where Republican Mike Huckabee was chosen?

### Accurate SQL ###

SELECT date FROM table_name_29 WHERE republican = "mike huckabee" AND sample_size = 496