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_27 ( state_served VARCHAR, party VARCHAR, representative VARCHAR )

### Question ###
Which state did Samuel Thatcher of the Federalist party represent?

### Accurate SQL ###

SELECT state_served FROM table_name_27 WHERE party = "federalist" AND representative = "samuel thatcher"