CREATE TABLE table_203_27 (id DECIMAL, "number" DECIMAL, "serial no" DECIMAL, "entered service" TEXT, "withdrawn" TEXT, "kilometres travelled" DECIMAL)

how many kilometers did number 4110 travel ?
SELECT "kilometres travelled" FROM table_203_27 WHERE "number" = 4110
SELECT "kilometres travelled" FROM "table_203_27" WHERE "number" = 4110