CREATE TABLE table_51078 ("Nat." CLOB, "Name" CLOB, "Since" CLOB, "App ( L/C/E ) " CLOB, "Goals ( L/C/E ) " CLOB, "Ends" FLOAT, "Transfer fee" CLOB, "Notes" CLOB)

What is the Nationality of the player named Yahaya, who has as App(L/C/E) of 0 (0/0/0)?
SELECT "Nat." FROM table_51078 WHERE "App(L/C/E)" = '0 (0/0/0)' AND "Name" = 'yahaya'
SELECT "Nat." FROM "table_51078" WHERE "App(L/C/E)" = '0 (0/0/0)' AND "Name" = 'yahaya'