CREATE TABLE table_72338 ("Phase" TEXT, "Round" TEXT, "Clubs remaining" FLOAT, "Clubs involved" FLOAT, "Winners from previous round" TEXT, "New entries this round" TEXT, "Leagues entering at this round" TEXT)

Clubs involved is 8, what number would you find from winners from previous round?
SELECT "Winners from previous round" FROM table_72338 WHERE "Clubs involved" = '8'
SELECT "Winners from previous round" FROM "table_72338" WHERE "Clubs involved" = '8'