how many christmas carol films are there

There have been many adaptations of Charles Dickens' classic Christmas tale, "A Christmas Carol", over the years. Some of the most well-known adaptations include the 1938 film "Scrooge" starring Alastair Sim, the 1951 film "Scrooge" starring Alistair Sim, the 1970 musical film "Scrooge" starring Albert Finney, the 1977 animated film "A Christmas Carol" starring Richard Williams, and the 2009 animated film "The Polar Express" which featured a version of the story as one of its main plots