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_62 ( decile VARCHAR, area VARCHAR, authority VARCHAR )

### Question ###
Which decile has an Area of welcome bay, and an Authority of state?

### Accurate SQL ###

SELECT decile FROM table_name_62 WHERE area = "welcome bay" AND authority = "state"