 Complete the following phrase:  Alexa Scimeca Knierim née: Alexa Paige Scimeca; born June 10, 1991 is an American pair skater. With her skating partner, Brandon Frazier, she is the 2021 U.S. National Champion and the 2020 Skate America Champion. With her husband and former skating partner, Chris Knierim, she is a 2018 Olympic bronze medalist in the figure skating team event, a two-time Four Continents medalist 2016 silver, 2014 bronze, a three-time Grand Prix medalist, and a three-time U.S. National Champion 2015, 