Task: Question Answering
Input (English): Context : The Karaiskakis Stadium disaster was an incident that occurred on 8 February 1981, in the Karaiskakis Stadium in Neo Faliro, Piraeus, Greece, after the conclusion of a football match between Olympiacos and AEK Athens. 
Question : When did Karaiskakis Stadium disaster occur?
Output (English): 8 February 1981