CREATE TABLE table_63996 ("Round" CLOB, "Date" CLOB, "Matches" FLOAT, "Clubs" CLOB, "New entries this round" CLOB, "Prize money" CLOB)

What is the highest number of matches that has a round of Third Round?
SELECT MAX("Matches") FROM table_63996 WHERE "Round" = 'third round'
SELECT MAX("Matches") FROM "table_63996" WHERE "Round" = 'third round'