What are donor payments in the country where there are 12 children to 6 families (2 per family)?
CREATE TABLE "table1_16175217_1" (
  "country" text,
  "donor_payment" text,
  "children_per_donor" text,
  "donor_anonymity" text,
  "allowed_recipients" text
);
SELECT "donor_payment" FROM "table1_16175217_1" WHERE "children_per_donor"='12 children to 6 families (2 per family)';