Microsoft Bing is testing interesting polls along with the Knowledge panel. You can see the polls on the right side of the search results.
I was searching Joe Biden on bing and found this friendly poll.
If you want to check, Search Joe Biden on Bing, and scroll down. On the right side of the Knowledge Panel, you can see the poll.
Once you answered the poll, you can also see the results.
Check the below screenshot to find the Bing poll.
Once you voted any answer, you can see the result of the poll.
You can also search Barack Obama on Bing to see this kind of polls.