Input (grade 10): The best-known of Pipo-actors was Amsterdam actor Cor Witschge, who played the part in the television series from 1958 to 1968 and from 1974 to 1980.
Output (grade 3): The actor who took the part of Pipo de Clown was Cor Witschge (1925-1991). The television series started in 1958 and was shown until 1980.