CREATE TABLE table_39465 ("Name" CLOB, "Status" CLOB, "Population" FLOAT, "District" CLOB, "Former local authority" CLOB)

What is the population of the Parish, Plumbland, that had a former local authority of Cockermouth Rural District?
SELECT COUNT("Population") FROM table_39465 WHERE "Former local authority" = 'cockermouth rural district' AND "Name" = 'plumbland'
SELECT COUNT("Population") FROM "table_39465" WHERE "Former local authority" = 'cockermouth rural district' AND "Name" = 'plumbland'