The applicant can respond several ways:
1) "I'm sorry you think that; I'm very open minded and love the challenge of learning something new!"
2) "I read the company was Swedish and that's exactly why I applied! I admire their work ethics & creativity. Sign me up!"
3) "they're Swedish? Really?! Well my mother's entire side of the family is Swedish; we visit every other year! I'll have to ask my uncle Sven, who is the president of xx company if he knows them."
This interviewer needs to go back to school to learn her skill better; this comment is a no, no!