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_47 ( decile INTEGER, area VARCHAR, authority VARCHAR, roll VARCHAR, gender VARCHAR )

### Question ###
What is the largest decile with a Roll larger than 34, a Gender of coed, and an Authority of state integrated, and an Area of georgetown?

### Accurate SQL ###

SELECT MAX(decile) FROM table_name_47 WHERE roll > 34 AND gender = "coed" AND authority = "state integrated" AND area = "georgetown"