Which party does Christopher Henderson Clark belong to?
Christopher Henderson Clark is full name; full name refers to first_name, middle_name, last_name
SELECT T1.party FROM `historical-terms` AS T1 INNER JOIN historical AS T2 ON T2.bioguide_id = T1.bioguide WHERE T2.first_name OR T2.middle_name OR T2.last_name = 'ChristopherHendersonClark'