user: Question: What is the venue for the Friendly competition and score of 4-0?
Columns: ['Date', 'Venue', 'Score', 'Result', 'Competition']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['29 November 1995', 'Santa Ana, El Salvador', '2-0', 'Win', 'UNCAF Nations Cup 1995']
SQL:

assistant: SELECT "Venue" FROM "Table" WHERE "Score" = '4-0' AND "Competition" = 'Friendly';