This team won the first two Super Bowls? // Which one of these teams has never appeared in a Super Bowl game.

-- "Super Bowl Trivia" in Vancouver 24 hours on January 29, 2009

Here's an easy way to fix both punctuation errors: Take question 2's question mark and swap it with question 19's period. Voila! As you can see, the similarly different punctuation requirements for questions 9 and 14 are correct.