user: ### NOW ANSWER:
Question: What is the average rank of Gol on airlines?
Columns: ['Rank', 'Airline', 'Country', 'Passengers Carried', 'Remarks', 'Alliance']
Types: ['real', 'text', 'text', 'real', 'text', 'text']
Sample row: [1.0, 'TAM', 'Brazil', 30407000.0, 'In process of fusion with Lan to form LATAM', 'Star Alliance']
SQL:

assistant: SELECT AVG("Rank") FROM "Table" WHERE "Airline" = 'Gol';