How to query with doctrine dql the where in clause?

9) What long-standing consideration in commerce clause doctrine was discarded only in the Wickard decision? A)?

• 9) What long-standing consideration in commerce clause doctrine was discarded only in the Wickard decision? A) The due process clause limited price regulation to a narrow class of businesses affected with a public interest. B) The doctrine of dual federalism. C) The question of whether the effect on commerce was direct or indirect. D) The question of whether the effect was in the aggregate ‘substantial.’ Reference: barry cushman's rethinking the new deal court

• Answer:

  C)