CREATE TABLE table_28590 ("Engine Family" TEXT, "Cylinder Layout" TEXT, "Displacement ( s ) " TEXT, "Injection type" TEXT, "Years produced" TEXT)

The years produced for the cylinder layout v8 are what?
SELECT "Years produced" FROM table_28590 WHERE "Cylinder Layout" = 'V8'
SELECT "Years produced" FROM "table_28590" WHERE "Cylinder Layout" = 'V8'