CREATE TABLE table_31152 ("Name/ designation" CLOB, "Year of intro" FLOAT, "Country of origin" CLOB, "Primary cartridge" CLOB, "Major users" CLOB)

Who are the major users from Australia?
SELECT "Major users" FROM table_31152 WHERE "Country of origin" = 'Australia'
SELECT "Major users" FROM "table_31152" WHERE "Country of origin" = 'Australia'