My vote would be not to resort to the certification procedure to ask the proposed question. For me, the portion of the oath referred to is unconstitutional even if interpreted as suggested by the question.
Brennan, W.J. Correspondence from Brennan to Blackmun, Connell v. Higginbotham, 403 U.S. 207 (1971). Box 367, Harry A. Blackmun Papers, Manuscript Division, Library of Congress, Washington, D.C.