CREATE TABLE table_62911 ("Round" FLOAT, "Date" TEXT, "Home" TEXT, "Result" TEXT, "Visitor" TEXT, "Venue" TEXT, "Attendance" FLOAT)

Who is the visitor team on Saturday, November 22 when link pings hc was the home team and there were more than 20 rounds?
SELECT "Visitor" FROM table_62911 WHERE "Home" = 'linköpings hc' AND "Round" > '20' AND "Date" = 'saturday, november 22'
SELECT "Visitor" FROM "table_62911" WHERE "Date" = 'saturday, november 22' AND "Home" = 'linköpings hc' AND "Round" > '20'