Question: How many clubs remained when there were 4 winners from the previous round?
SQL: SELECT "Clubs remaining" FROM "1-29566686-1" WHERE "Winners from previous round" = 4.0;

Question: What is the maximum number of clubs remaining when the league entering at this round was Allsvenskan?
SQL: SELECT MIN("Clubs remaining") FROM "1-29566686-1" WHERE "Leagues entering at this round" = 'Allsvenskan';

Question: How many different values of clubs involved were there when the league entering at this round was Allsvenskan?
SQL: SELECT COUNT("Clubs involved") FROM "1-29566686-1" WHERE "Leagues entering at this round" = 'Allsvenskan';