Premise: Keith Konrad Slettedahl (born August 9, 1973) is an American musician. He is the singer and songwriter for Los Angeles pop rock group The 88. In 2006, he appeared in the episode "Best Prom Ever" on the sitcom "How I Met Your Mother", playing a gig with his band on a High School-Prom.
Hypothesis: Emily Konrad Slettedahl is a British chef. She is the most famous chef in the world. In 2010, she appeared in the first episode on the sitcom "Big Bang Theory", teaching to all the guys.