To solve this puzzle, type in the punchline to the joke into Certitude, and the coordinates will reveal themselves. You do not need to worry about the punctuation at the end of the answer.
QUESTION: What do you call a hippie's wife?
This series is inspired by a series of caches in San Antonio by TromboneMan1. I had a lengthy layover at the San Antonio Airport a few months ago and had a blast solving them while waiting.
You can validate your puzzle solution with certitude.