CREATE TABLE table_41530 ("Player" TEXT, "Position" TEXT, "Date of Birth  ( Age ) " TEXT, "Caps" TEXT, "Province / Club" TEXT)

What is Caps, when Province / Club is DRFC, and when Position is Center?
SELECT "Caps" FROM table_41530 WHERE "Province / Club" = 'drfc' AND "Position" = 'center'
SELECT "Caps" FROM "table_41530" WHERE "Position" = 'center' AND "Province / Club" = 'drfc'