CREATE TABLE table_68549 ("Year" FLOAT, "Chassis" TEXT, "Engine" TEXT, "Start" TEXT, "Finish" TEXT, "Entrant" TEXT)

What is the finish of Mclaren chassis?
SELECT "Finish" FROM table_68549 WHERE "Chassis" = 'mclaren'
SELECT "Finish" FROM "table_68549" WHERE "Chassis" = 'mclaren'