CREATE TABLE table_221 ("Race Name" CLOB, "Circuit" CLOB, "Date" CLOB, "Winning driver" CLOB, "Constructor" CLOB, "Report" CLOB)

Which driver won at the Sachsenring circuit?
SELECT "Winning driver" FROM table_221 WHERE "Circuit" = 'Sachsenring'
SELECT "Winning driver" FROM "table_221" WHERE "Circuit" = 'Sachsenring'