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_36771 ( "Call sign" text, "Frequency" text, "City of license" text, "Facility ID" real, "ERP / Power W" real, "Height m ( ft )" text, "Class" text )

### Question ###
Which Facility ID has a City of license of springfield, ma, and a ERP / Power W smaller than 230?

### Accurate SQL ###

SELECT MAX("Facility ID") FROM table_36771 WHERE "City of license" = 'springfield, ma' AND "ERP / Power W" < '230'