CREATE TABLE table_824 ("Aircraft type" CLOB, "National Origin" CLOB, "1st Flight" FLOAT, "In Service" CLOB, "Retired" CLOB, "# built" CLOB)

How many Airspeed Fleet Shadower aircraft are retired?
SELECT "Retired" FROM table_824 WHERE "Aircraft type" = 'Airspeed Fleet Shadower'
SELECT "Retired" FROM "table_824" WHERE "Aircraft type" = 'Airspeed Fleet Shadower'