Table schema:
CREATE TABLE table_name_14 (population_in_1000__1931_ VARCHAR, car_plates__since_1937_ VARCHAR)

Question: between car plates of 80-84 what is the population in 1000 in year 1931?
SQL: SELECT population_in_1000__1931_ FROM table_name_14 WHERE car_plates__since_1937_ = "80-84"