CREATE TABLE table_10121127_1 (number_of_australians_involved VARCHAR2, un_operation_title VARCHAR2)

How many Australians were in the UN commission on Korea?
SELECT COUNT(number_of_australians_involved) FROM table_10121127_1 WHERE un_operation_title = "UN Commission on Korea"
SELECT COUNT("number_of_australians_involved") FROM "table_10121127_1" WHERE "UN Commission on Korea" = "un_operation_title"