CREATE TABLE table_20599 ("Country" TEXT, "Donor payment" TEXT, "Children per donor" TEXT, "Donor anonymity" TEXT, "Allowed recipients" TEXT)

What are donor payments in the country where there are 12 children to 6 families (2 per family)?
SELECT "Donor payment" FROM table_20599 WHERE "Children per donor" = '12 children to 6 families (2 per family)'
SELECT "Donor payment" FROM "table_20599" WHERE "Children per donor" = '12 children to 6 families (2 per family)'