Nice interesting question, thanks.

Very surprised that more than half the answers so far got it wrong.

I didn't know the database id was always 32767, but didn't need two as it said "select 4" and I knew 2 that weren't true out of the six options provided, so that 32767 had to be one of the four true ones.

Agree with Hugo that the use of "persisted" might be a bit misleading.