user: Question: What are the games behind for the Oklahoma City Thunder division?
Columns: ['Season', 'Team', 'Conference (Conf.)', 'Division (Div.)', 'Div. finish', 'Games behind (GB)', 'Head coach']
Types: ['text', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['Seattle SuperSonics', 'Seattle SuperSonics', 'Seattle SuperSonics', 'Seattle SuperSonics', 'Seattle SuperSonics', 'Seattle SuperSonics', 'Seattle SuperSonics']
SQL:

assistant: SELECT "Games behind (GB)" FROM "Table" WHERE "Division (Div.)" = 'Oklahoma City Thunder';