CREATE TABLE table_3244 ("Round" FLOAT, "Circuit" CLOB, "Date" CLOB, "Pole Position" CLOB, "Fastest Lap" CLOB, "Winning Driver" CLOB, "Winning Team" CLOB)

In what circuit was Bruno Spengler the winning driver?
SELECT "Circuit" FROM table_3244 WHERE "Winning Driver" = 'Bruno Spengler'
SELECT "Circuit" FROM "table_3244" WHERE "Winning Driver" = 'Bruno Spengler'