My friend Murray suggests that it was a trick question:
I love the answer, but here's the reason it's cruel: it's a trick question. What Biddy needed to do was look at last year's Red Sox schedule, and see what the last interleague home game was. That's where the answer lies.
Three years of law school and eight years of private practice led up to that answer.
Good point. So I investigated, and guess what? The answer's the same either way, the Braves. The Braves completed a three-game sweep of the Sox in Boston on June 30. They were the last NL team to play the Sox last year. Could the teacher have been cool enough to know this? Read the book...