SELECT DISTINCT t1.individual_last_name FROM individuals AS t1 JOIN organization_contact_individuals AS t2 ON t1.individual_id  =  t2.individual_id
Find the last name of the individuals that have been contact individuals of an organization.
SELECT DISTINCT t1.individual_last_name FROM individuals AS t1 JOIN organization_contact_individuals AS t2 ON t1.individual_id = t2.individual_id
select distinct t1 . individual_last_name from individuals as t1 join organization_contact_individuals as t2 on t1 . individual_id = t2 . individual_id
Find the last name of the individuals that have been contact individuals of an organization .