CREATE TABLE table_194 ("Round" FLOAT, "Grand Prix" TEXT, "Pole Position" TEXT, "Fastest Lap" TEXT, "Winning Driver" TEXT, "Winning Constructor" TEXT, "Report" TEXT)

What is the winning driver of round 7?
SELECT "Winning Driver" FROM table_194 WHERE "Round" = '7'
SELECT "Winning Driver" FROM "table_194" WHERE "Round" = '7'