CREATE TABLE table_203_547 (id DECIMAL, "ship" TEXT, "built" DECIMAL, "in service for cunard" TEXT, "type" TEXT, "tonnage" TEXT, "notes" TEXT)

how many express ships ?
SELECT COUNT("ship") FROM table_203_547 WHERE "type" = 'express'
SELECT COUNT("ship") FROM "table_203_547" WHERE "type" = 'express'