CREATE TABLE table_61634 ("Name" TEXT, "Birth" TEXT, "Marriage" TEXT, "Became Consort" TEXT, "Ceased to be Consort" TEXT, "Spouse" TEXT)

On what date did the woman married to Louis II become consort?
SELECT "Became Consort" FROM table_61634 WHERE "Spouse" = 'louis ii'
SELECT "Became Consort" FROM "table_61634" WHERE "Spouse" = 'louis ii'