CREATE TABLE table_70212 ("Grand Prix" TEXT, "Pole position" TEXT, "Fastest lap" TEXT, "Winning driver" TEXT, "Winning constructor" TEXT, "Report" TEXT)

Name the pole positon for korean grand prix
SELECT "Pole position" FROM table_70212 WHERE "Grand Prix" = 'korean grand prix'
SELECT "Pole position" FROM "table_70212" WHERE "Grand Prix" = 'korean grand prix'