Splendor in the Grass is a 1961 Technicolor drama film that tells a story of a teenage girl navigating her feelings of sexual repression, love, and heartbreak. Written by William Inge, who appears briefly as a Protestant clergyman and who won an Oscar for his screenplay, the film was directed by Elia Kazan and features a score by jazz composer David Amram.
Can we infer the following?
Splendor in the Grass was the first film directed by Elia Kazan but no the first drama written by William Inge
It's impossible to say