Read this: Based on the strength of his work, Universal signed Spielberg to do four TV films. The first was a Richard Matheson adaptation called Duel. The film is about a psychotic Peterbilt 281 tanker truck driver who chases the terrified driver (Dennis Weaver) of a small Plymouth Valiant and tries to run him off the road. Special praise of this film by the influential British critic Dilys Powell was highly significant to Spielberg's career. Another TV film (Something Evil) was made and released to capitalize on the popularity of The Exorcist, then a major best-selling book which had not yet been released as a film. He fulfilled his contract by directing the TV film-length pilot of a show called Savage, starring Martin Landau. Spielberg's debut full-length feature film was The Sugarland Express, about a married couple who are chased by police as the couple tries to regain custody of their baby. Spielberg's cinematography for the police chase was praised by reviewers, and The Hollywood Reporter stated that "a major new director is on the horizon.":223 However, the film fared poorly at the box office and received a limited release.

Which TV film Spielberg directed played off 'The Exorcist'?
What is the answer? (If it cannot be answered, return "unanswerable")
Something Evil