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_31149 ( "Name/ designation" text, "Year of intro" real, "Country of origin" text, "Primary cartridge" text, "Major users" text )

### Question ###
Who are all the major users of the Gordon Close-Support Weapon System?

### Accurate SQL ###

SELECT "Major users" FROM table_31149 WHERE "Name/ designation" = 'Gordon Close-Support Weapon System'