Given the task definition and input, reply with output. Generate a correct and concise answer for the question based on the words in the context.

Context : Andrzej Kolikowski nicknamed Pershing (1954--1999) was the leader of the so-called Pruszkow Mafia in Poland and arguably the best-known Polish gangster of the 1990s.
Question : What is the date of death for Andrzej Kolikowski?
1999