CREATE TABLE table_204_313 (id NUMBER, "date" CLOB, "operation" CLOB, "location" CLOB, "type" CLOB, "information" CLOB)

what are the total number of nato naval blockades ?
SELECT COUNT(*) FROM table_204_313 WHERE "type" = 'naval blockade'
SELECT COUNT(*) FROM "table_204_313" WHERE "type" = 'naval blockade'