user: ### NOW ANSWER:
Question: Which 2008 has an Airport of Julius Nyerere International Airport?
Columns: ['Country', 'Airport', 'City', '2008', 'Change (08/07)']
Types: ['text', 'text', 'text', 'real', 'text']
Sample row: ['South Africa', 'OR Tambo International Airport', 'Johannesburg', 18501628.0, '0 4.3%']
SQL:

assistant: SELECT AVG("2008") FROM "Table" WHERE "Airport" = 'Julius Nyerere International Airport';