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 school ( school_id number, grade text, school text, location text, type text )
TABLE: CREATE TABLE school_bus ( school_id number, driver_id number, years_working number, if_full_time others )
TABLE: CREATE TABLE driver ( driver_id number, name text, party text, home_city text, age number )

### Question ###
Show the party with drivers from Hartford and drivers older than 40.

### Accurate SQL ###

SELECT party FROM driver WHERE home_city = 'Hartford' AND age > 40