Question: What sport became a Winter Olympic Games medal sport in 1976 and what Kati Winkler and her partner Rene Lohse competed twice in at the Winter Olympics, in 1998 and 2002?
Sentence (from "Hannah Campbell-Pegg"): Competing in two Winter Olympics, she finished 23rd in the women's singles event twice (2006, 2010.
Relevant evidence: No