CREATE TABLE table_53555 ("Name" TEXT, "Position" TEXT, "From  ( Club ) " TEXT, "Date Joined" TEXT, "Debut" TEXT)

What is the name of the player that had a debut in round 6?
SELECT "Name" FROM table_53555 WHERE "Debut" = 'round 6'
SELECT "Name" FROM "table_53555" WHERE "Debut" = 'round 6'