user: ### NOW ANSWER:
Question: Which city has an ICAO of GVSF?
Columns: ['ISLAND', 'CITY / TOWN', 'ICAO', 'IATA', 'AIRPORTNAME']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['Boa Vista', 'Rabil', 'GVBA', 'BVC', 'Aristides Pereira International Airport']
SQL:

assistant: SELECT "CITY / TOWN" FROM "Table" WHERE "ICAO" = 'GVSF';