Answered March 12th, 2019

Elfrid Payton joined DeMarcus Cousins (2017-18) and Chris Paul (2008-09) as the only players in Pelicans franchise history with at least three triple-doubles in a season.

Who was the last Pelicans player with 3 triple-doubles in a season?
Interpreted as:
Who was the last Pelicans player with 3 or more triple-doubles in a season?