Table: player_stats_77
Columns: nat
name
since
app_l_c_e
goals_l_c_e
ends
transfer_fee
notes

Question: What is the Nationality of the player named Yahaya, who has as App(L/C/E) of 0 (0/0/0)?
SQL: SELECT "nat" FROM player_stats_77 WHERE "app_l_c_e" = '0 (0/0/0)' AND "name" = 'yahaya'

Question: What was the transfer fee for the player who had an App(L/C/E) of 0 (0/0/0) and notes of to anagennisi karditsa?
SQL: SELECT "transfer_fee" FROM player_stats_77 WHERE "app_l_c_e" = '0 (0/0/0)' AND "notes" = 'to anagennisi karditsa'