Question: What are the names of contact individuals of the "Labour Party"? | Do you want to know the first name, middle name, last name? | Just the last names.
SQL: SELECT t3.individual_last_name FROM organizations AS t1 JOIN organization_contact_individuals AS t2 ON t1.organization_id   =   t2.organization_id JOIN individuals AS t3 ON t2.individual_id   =   t3.individual_id WHERE t1.organization_name   =   "Labour Party" ORDER BY t2.date_contact_to DESC LIMIT 1