CREATE TABLE table_58140 ("Player" TEXT, "Position" TEXT, "Date of Birth  ( Age ) " TEXT, "Caps" FLOAT, "Club/province" TEXT)

What is the mean number of caps for Ryota Asano?
SELECT AVG("Caps") FROM table_58140 WHERE "Player" = 'ryota asano'
SELECT AVG("Caps") FROM "table_58140" WHERE "Player" = 'ryota asano'