Task: Question Answering
Input (English): Passage: Other instances of napalms use include by France during the First Indochina War (1946-1954), the Algerian War of Independence (1954-1962), the Portuguese Colonial War (1961-1974), the Six-Day War by Israel (1967), in Nigeria (1969), India and Pakistan (1965 and 1971), Egypt (1973), by Morocco during the Western Sahara War (1975-1991), by Argentina (1982), by Iran (1980-88), by Iraq (1980-88, 1991), by Angola during the Angolan Civil War, and Yugoslav Wars (1991-1996). 
Question: How many years was the Western Sahara War? 
Answer type: Number 
Output (English): 16.