AOC has a law degree, right? I mean, law school isn't exactly engineering, but you'd have to have a pretty good memory I would think. Of course memory skills and intelligence CAN be independent from one another, but in law school, you'd have to appropriately apply what you've memorized so... But she definitely comes across as a dim bulb. Just obvious little things, like sentence structure, and low function verbal skills etc.
Davey Crockett was a member of the House, and he could BARELY read or write so it's not impossible.