CREATE TABLE table_11431 ("Average population  ( x 1000 ) " FLOAT, "Live births" FLOAT, "Deaths" CLOB, "Natural change" FLOAT, "Crude birth rate  ( per 1000 ) " FLOAT, "Crude death rate  ( per 1000 ) " FLOAT, "Natural change  ( per 1000 ) " FLOAT)

what is the average crude death rate (per 1000) when the live births is less than 72,400, the crude birth rate (per 1000) is more than 10 and the average population (x1000) is 2,518?
SELECT AVG("Crude death rate (per 1000)") FROM table_11431 WHERE "Live births" < '72,400' AND "Crude birth rate (per 1000)" > '10' AND "Average population (x 1000)" = '2,518'
SELECT AVG("Crude death rate (per 1000)") FROM "table_11431" WHERE "Average population (x 1000)" = '2,518' AND "Crude birth rate (per 1000)" > '10' AND "Live births" < '72,400'