Question: Princess Maria-Olympia is the only daughter of the eldest son and second child of Constantine II, who was the last king of Greece from 1964 until when?
Sentence (from "Constantine II of Greece"): Constantine II (Greek: Κωνσταντῖνος Β΄ , "Konstantínos II", ] ; born 2 June 1940) is a former monarch who was the last King of Greece, reigning from 1964 until the abolition of the Greek monarchy in 1973.
Relevant evidence: No