Table: donor_data
Columns: country
donor_payment
children_per_donor
donor_anonymity
allowed_recipients

Question: What is the status of donor payment in the country where there are 6 children per donor and no data on allowed recipients?
SQL: SELECT "donor_payment" FROM donor_data WHERE "children_per_donor" = '6 children' AND "allowed_recipients" = 'no data'

Question: What are donor payments in the country where there are 12 children to 6 families (2 per family)?
SQL: SELECT "donor_payment" FROM donor_data WHERE "children_per_donor" = '12 children to 6 families (2 per family)'

Question: What is the donor payment in Belgium?
SQL: SELECT "donor_payment" FROM donor_data WHERE "country" = 'Belgium'

Question: What is the country where there are 8 children per donor and no data for donor payments?
SQL: SELECT "country" FROM donor_data WHERE "children_per_donor" = '8 children' AND "donor_payment" = 'no data'

Question: What are the children per donor in the country where the allowed recipients are married or in cohabitation?
SQL: SELECT "children_per_donor" FROM donor_data WHERE "allowed_recipients" = 'Married or in cohabitation'

Question: List the possible children per donor levels for countries where the allowed recipients is no data.
SQL: SELECT "children_per_donor" FROM donor_data WHERE "allowed_recipients" = 'no data'