user: Question: What arena was season 6 played at?
Columns: ['Previous season', 'Team', 'Town', 'Arena (capacity)', 'Website', 'Head Coach', 'Foreign Players (max. 2)']
Types: ['text', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['1', 'Dynamo-Tattransgaz Kazan', 'Kazan', 'Basket-Hall Arena (7 000)', 'www.dinamottg.ru', 'Viktor Sidelnikov', 'Lloy Ball Clayton Stanley']
SQL:

assistant: SELECT "Arena (capacity)" FROM "Table" WHERE "Previous season" = '6';