Puzzle 31 - To solve this puzzle, find the right answer

Puzzle:

[Solution: Each slide has members of an ordered set (ex. presidents can be put in a numbered list). As flavortext indicates, you solve for the RIGHT side of the equation, namely by completing the square: teams should square the member on the left (as that is what would complete the missing part of the square) and add that number to the right side as well, as you do when completing the square algebraically. This gives you a new member of the list on the right. (i.e. the Polk is the 11th president and Monroe was the 5th, so 11+25=36th president is Lyndon Johnson. Index by numbers on top left to get the clue phrase JOHTO GYM LEADERS, an ordered set in Pokémon. Then, teams can use the last slide. On the last slide, there are 2 birds, representing Falkner, gym leader 1. Teams complete the square again to get 2: the 2nd of the Johto Gym leaders is BUGSY.]