Fans were not impressed by his question. The Bruins beat the Blues 5-1 on Sunday to force a Game 7 in Boston on Wednesday. It is safe to assume the Fischer/Krasinski rivalry will only intensify over the next few days. Jenna Fischer, best known for her portrayal of Pam Beesly on NBC’s “The Office,” was in attendance at Enterprise Center in St. Louis on Sunday to watch her beloved Blues play the Bruins in Game 6 of the Stanley Cup Final. Prior to the game, Fischer and her TV-show husband John Krasinski, a Boston fan, exchanged jabs as they have the entire series.NBC’s studio show hosted Fischer in between the first and second periods, and she was asked about St. Louis and “The Office.” Fischer discussed what the Blues’ run has meant to the fans and her son and husband’s love of hockey. MORE STANLEY CUP:Jim and Pam: a house divided over Bruins-BluesShe also used this opportunity to share that the St. Louis/Boston rivalry between her and Krasinski goes back to their days on set. Mike Milbury, a former Bruins player and coach, used her appearance to ask what the strangest Dwight moment was, asking if it was the episode in which Dwight kills Angela’s cat.