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 "2-17426846-2" 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 "2-17426846-2" WHERE "App(L/C/E)" = '0 (0/0/0)' AND "Notes" = 'to Anagennisi Karditsa';