Table: fa_cup_0910
Columns: round
clubs_remaining
clubs_involved
winners_from_previous_round
new_entries_this_round
leagues_entering_at_this_round

Question: Which leagues entered in rounds where there were 16 winners from the previous round?
SQL: SELECT "leagues_entering_at_this_round" FROM fa_cup_0910 WHERE "winners_from_previous_round" = '16'

Question: Which rounds had 32 clubs involved?
SQL: SELECT "round" FROM fa_cup_0910 WHERE "clubs_involved" = 32

Question: Which round had 24 new entries?
SQL: SELECT "round" FROM fa_cup_0910 WHERE "new_entries_this_round" = '24'

Question: Which leagues entered an extra preliminary round?
SQL: SELECT "leagues_entering_at_this_round" FROM fa_cup_0910 WHERE "round" = 'Extra Preliminary Round'