If a form arbitration agreement provides that an arbitration, if it occurs, will be administered using a particular set of procedural rules, and those rules say an arbitrator has the power to rule on the arbitrability of a claim, is that enough, on its own, to establish "clear and unmistakable evidence" of the contracting parties' intent to have an arbitrator decide the question of arbitrability?

Whether the provision in an arbitration agreement that the arbitration will be administered under a particular set of procedural rules, which give the arbitrator the power to rule on arbitrability, is sufficient to establish 'clear and unmistakable evidence' of the parties' intent to have the arbitrator decide the question of arbitrability