CREATE TABLE table_40145 ("Value" TEXT, "\\u20ac equiv." TEXT, "Diameter" TEXT, "Weight" TEXT, "Composition" TEXT)

What is the value of the coin weighing 10.5 g and made of cupronickel?
SELECT "Value" FROM table_40145 WHERE "Composition" = 'cupronickel' AND "Weight" = '10.5 g'
SELECT "Value" FROM "table_40145" WHERE "Composition" = 'cupronickel' AND "Weight" = '10.5 g'