column "xxx" does not exist LINE 3: values(xxx,bla,bla)

column "xxx" does not exist LINE 3: values(xxx,bla,bla)

Hi I have query string like this
executeQuery = '''insert into CarModel
(modeli,msubuqi,gamomshvebi)
values(%s,%s,%s)''' % ("BMW","X5","Jeep")
cursor.execute(executeQuery)
but when I execute It it gives me Error : column "BMW" does not exist LINE
3: values(BMW,X5,Jeep) I don't know why it takes that "BMW" is column
please Help I'm working on it whole day