CREATE TABLE table_70211 ("Grand Prix" TEXT, "Pole position" TEXT, "Fastest lap" TEXT, "Winning driver" TEXT, "Winning constructor" TEXT, "Report" TEXT)

Name the pole position for belgian grand prix
SELECT "Pole position" FROM table_70211 WHERE "Grand Prix" = 'belgian grand prix'
SELECT "Pole position" FROM "table_70211" WHERE "Grand Prix" = 'belgian grand prix'