Question: Who directed the film that shared being only one of two Greek films winning the Palme d'Or at the Cannes Film Festival with "Eternity and A day"?
Sentence (from "Missing (1982 film)"): It is based on the true story of American journalist Charles Horman, who disappeared in the bloody aftermath of the US-backed Chilean coup of 1973 that deposed the democratically elected socialist President Salvador Allende.
Relevant evidence: No