opinion: Per Curiam.
  On this appeal we postponed the question of jurisdiction pending the hearing of the case on the merits. 401 U. S. 906 (1971).
  Having heard the case on its merits, we find that this Court does have jurisdiction (Alabama Teachers v. Alabama Public School and College Authority, 393 U. S. 400 (1969)) and affirm the judgment of the District Court for the Northern District of California. Johnson v. Avery, 393 U. S. 483 (1969).
choices: case did not arise on cert or cert not granted federal court conflict federal court conflict and to resolve important or significant question putative conflict conflict between federal court and state court state court conflict federal court confusion or uncertainty state court confusion or uncertainty federal court and state court confusion or uncertainty to resolve important or significant question to resolve question presented no reason given other reason