Question: Name the least clubs involved for leagues being none for Semi finals
SQL: SELECT MIN("Clubs involved") FROM "1-19089486-1" WHERE "Leagues entering this round" = 'none' AND "Round" = 'Semi finals';

Question: Name the new entries this round for Third round
SQL: SELECT "New entries this round" FROM "1-19089486-1" WHERE "Round" = 'Third round';

Question: Name the leagues entering this round for 4
SQL: SELECT "Leagues entering this round" FROM "1-19089486-1" WHERE "Clubs involved" = 4.0;

Question: Name the least clubs remaining
SQL: SELECT MIN("Clubs remaining") FROM "1-19089486-1";