Question: Here's a complex question that requires someone to reason about the input, can you answer it? Which was decided first, Selective Draft Law Cases or Katzenbach v. McClung?
Answer: Selective Draft Law Cases

Question: Here's a complex question that requires someone to reason about the input, can you answer it? Who most commonly sang the fastest-selling single by an Australian artist as a duet?
Answer: Celine Dion and Andrea Bocelli

Question: Here's a complex question that requires someone to reason about the input, can you answer it? Probe starred Hugh O'Brian and directed by whom?
Answer:
a