CREATE TABLE table_62053 ("Round" FLOAT, "Race" CLOB, "Circuit" CLOB, "Date" CLOB, "Event" CLOB, "Winning driver" CLOB)

What is the round for the Norisring circuit?
SELECT AVG("Round") FROM table_62053 WHERE "Circuit" = 'norisring'
SELECT AVG("Round") FROM "table_62053" WHERE "Circuit" = 'norisring'