Table: turkish_cup_rounds_2
Columns: round
clubs_remaining
clubs_involved
winners_from_previous_round
new_entries_this_round
leagues_entering_at_this_round

Question: How many clubs are involved when the clubs remaining are 2?
SQL: SELECT SUM("clubs_involved") FROM turkish_cup_rounds_2 WHERE "clubs_remaining" = 2

Question: How many new entries when the leagues entering in the round are tff third league & turkish regional amateur league?
SQL: SELECT "new_entries_this_round" FROM turkish_cup_rounds_2 WHERE "leagues_entering_at_this_round" = 'tff third league & turkish regional amateur league'

Question: What is the number of clubs remaining in the second round?
SQL: SELECT MIN("clubs_remaining") FROM turkish_cup_rounds_2 WHERE "round" = 'second round'

Question: Which round has 4 clubs involved?
SQL: SELECT "round" FROM turkish_cup_rounds_2 WHERE "clubs_involved" = 4

Question: How many clubs are involved when there are 4 winners from the previous rounds and more than 4 clubs remaining?
SQL: SELECT MIN("clubs_involved") FROM turkish_cup_rounds_2 WHERE "winners_from_previous_round" = '4' AND "clubs_remaining" > 4