CREATE TABLE table_name_36 (class VARCHAR, quantity_made VARCHAR, fleet_number_s_ VARCHAR)

What class had 1 made and fleet number of 406?
SELECT class FROM table_name_36 WHERE quantity_made = "1" AND fleet_number_s_ = "406"
SELECT "class" FROM "table_name_36" WHERE "1" = "quantity_made" AND "406" = "fleet_number_s_"