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_245 ( "Model" text, "Engine make/Capacity" text, "Power kW@rpm" text, "Torque Nm@rpm" text, "Transmission Make/Type/Speed" text, "GVM (kg) Technical Capacity" text, "GCM (kg) Technical Capacity" text )

### Question ###
When the transmission make/type/speed is eaton fs 5306-a manual synchromesh 6 speed, what is the value of the gcm (kg) technical capacity?

### Accurate SQL ###

SELECT "GCM (kg) Technical Capacity" FROM table_245 WHERE "Transmission Make/Type/Speed" = 'Eaton FS 5306-A Manual Synchromesh 6 Speed'