Welcome to yet another round of Patch's trivia game!

Here are the rules: we ask a question pertaining to the Mount Vernon District, and the first person to answer correctly in the comments section below wins a Patchy prize! Here's the question:

What type of tree is the oldest tree standing on River Farm today?

Submit your answer in the comments section below. If you have a trivia question you'd like to submit for a future column, please email mountvernon@patch.com.