Q:Information: - The Prime Minister of the Hellenic Republic ("Prothypourgos tis Ellinikis Dimokratias"), colloquially referred to as the Prime Minister of Greece ("Prothypourgos tis Elladas"), is the head of government of the Hellenic Republic and the leader of the Greek cabinet. The incumbent prime minister is Alexis Tsipras, who took office on 21 September 2015. - Panagiotis Kanellopoulos or Panayotis Kanellopoulos (Patras, Achaea, 13 December 1902Athens, 11 September 1986) was a Greek author, politician and Prime Minister of Greece. He was the Prime Minister of Greece deposed by the Greek military junta of 1967-1974. - Konstantinos Kollias ( Greek : ) ( 1901 -- 13 July 1998 ) was a former Greek Attorney General who was proclaimed Prime Minister by the Greek military junta of 1967 -- 74 that overthrew Panagiotis Kanellopoulos ' government on 21 April 1967 . He was replaced by the head of the military coup d'etat Georgios Papadopoulos after the unsuccessful counter-coup of King Constantine II on 13 December 1967 . Kollias died on 13 July 1998 , at the age of 97 . - Athens ("Athina" ) is the capital and largest city of Greece. Athens dominates the Attica region and is one of the world's oldest cities, with its recorded history spanning over 3,400 years, and its earliest human presence starting somewhere between the 11th and 7th millennia BC. Classical Athens was a powerful city-state that emerged in conjunction with the seagoing development of the port of Piraeus, which had been a distinct city prior to its 5th century BC incorporation with Athens. A centre for the arts, learning and philosophy, home of Plato's Academy and Aristotle's Lyceum, it is widely referred to as the cradle of Western civilization and the birthplace of democracy, largely because of its cultural and political impact on the European continent, and in particular the Romans. In modern times, Athens is a large cosmopolitan metropolis and central to economic, financial, industrial, maritime, political and cultural life in Greece. In 2015, Athens was ranked the world's 29th richest city by purchasing power and the 67th most expensive in a UBS study. What is the relationship between 'konstantinos kollias' and 'prime minister of greece'?
A:
position held