CREATE TABLE table_15565 ("Rank" FLOAT, "Player" TEXT, "Club ( s ) " TEXT, "Year ( s ) " TEXT, "U-16 Caps" FLOAT)

During what years was lvaro p rez the number 2 ranked player?
SELECT "Year(s)" FROM table_15565 WHERE "Rank" = '2' AND "Player" = 'álvaro pérez'
SELECT "Year(s)" FROM "table_15565" WHERE "Player" = 'álvaro pérez' AND "Rank" = '2'