Question: Who is the latest contact individual? | the last name of the latest contact individual of the organization "Labour Party" is Bradtke | And what is the date of contact?
SQL: SELECT t2.date_contact_from, t2.date_contact_to 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