user: Question: What cargo was contained in a ship size of Aframax?
Columns: ['Ship size', 'Cargo', '2004', '2005', '2006']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['Ship size', 'Cargo', '2004', '2005', '2006']
SQL:

assistant: SELECT "Cargo" FROM "Table" WHERE "Ship size" = 'Aframax';