Is this the right approach?  If this is a time-consuming role, it doesn't seem entirely unreasonable that the selection process would also be a little bit time-consuming.  I'm not saying the election needs to be an endurance marathon, but the election should reflect the job.

Being able to decide which questions are worth answering and which are best ignored is an important skill.  For that matter, so is being able to reframe questions to address the points that you think are important, as you have done here.

It's important also for board candidates to be able to answer questions that aren't the ones that are curated for them.  The Foundation is the board's main contact with the outside world, but it shouldn't be the only one, as the Community Affairs Committee is a proper acknowledgment of.  Only listening to the people in the room with you leads to iceberg warnings that go unheeded, as we've seen enough of lately.  Even the very wise cannot see all ends, and all that.

Benjamin