CREATE TABLE table_11654169_1 (population_in_1000__1931_ VARCHAR2, car_plates__since_1937_ VARCHAR2)

List population when their car plates are 30-34.
SELECT population_in_1000__1931_ FROM table_11654169_1 WHERE car_plates__since_1937_ = "30-34"
SELECT "population_in_1000__1931_" FROM "table_11654169_1" WHERE "30-34" = "car_plates__since_1937_"