CREATE TABLE table_57241 ("Round" FLOAT, "Grand Prix" CLOB, "Pole Position" CLOB, "Fastest Lap" CLOB, "Winning Driver" CLOB, "Winning Constructor" CLOB, "Report" CLOB)

What is the pole position of the Belgian Grand Prix?
SELECT "Pole Position" FROM table_57241 WHERE "Grand Prix" = 'belgian grand prix'
SELECT "Pole Position" FROM "table_57241" WHERE "Grand Prix" = 'belgian grand prix'