President of the United States (POTUS)

This adds a Goodie to DuckDuckGo to show who the president of the United States was for a given number.  Use it to find out who the 12th President of the United States was.

Example queries: "potus 16" and "potus 44"

Example outputs: 
"Abraham Lincoln was the 16th President of the United States." 
"Barack Obama is the 44th President of the United States."