CREATE TABLE table_73078 ("Round" TEXT, "Clubs remaining" FLOAT, "Clubs involved" FLOAT, "Winners from previous round" TEXT, "New entries this round" TEXT, "Leagues entering this round" TEXT)

Name the leagues entering this round for 4
SELECT "Leagues entering this round" FROM table_73078 WHERE "Clubs involved" = '4'
SELECT "Leagues entering this round" FROM "table_73078" WHERE "Clubs involved" = '4'