The conversation between human and AI assistant.
[|Human|] Using the reference information, how many years was the People's Revolutionary Government in control in Grenada, and under what leader?
[|AI|] Maurice Bishop led the People's Revolutionary Government for 4 years in Grenada, between 1979 and 1983.
[|Human|] 
Using the reference information, how many years was the People's Revolutionary Government in control in Grenada, and under what leader?