CREATE TABLE table_69586 ("Birth" CLOB, "Marriage" CLOB, "Became Consort" CLOB, "Ceased to be Consort" CLOB, "Death" CLOB, "Spouse" CLOB)

Name the marriage of the person who is married for christian viii
SELECT "Marriage" FROM table_69586 WHERE "Spouse" = 'christian viii'
SELECT "Marriage" FROM "table_69586" WHERE "Spouse" = 'christian viii'