Question: On season eighteen of a show that premiered on March 17, 2014 Brooke Burke-Charvet was replaced as co-host by an American sportscaster who is a sideline reporter for who?

Context paragraphs:
Jill Arrington: Tiffany "Jill" Arrington (born July 27, 1972) is an American sportscaster and reporter with KCBS-TV and KCAL 9 in Los Angeles.  She was previously a sports anchor at Fox Sports 1 and Fox SportsNet for five years after being a sideline reporter on college football for ESPN during the 2004 college football season.

Dancing with the Stars (U.S. season 18): Season eighteen of "Dancing with the Stars" premiered on March 17, 2014.  Len Goodman, Carrie Ann Inaba and Bruno Tonioli returned as judges; Tom Bergeron returned as host while Erin Andrews replaced Brooke Burke-Charvet as co-host.  Bandleader Ray Chew replaced the Harold Wheeler orchestra and singers.  In addition, the skybox made a return to the show and the judges table returned to the left side of the ballroom.

Rebecca Haarlow: Rebecca Haarlow (born December 20, 1978) is an American anchor and reporter for NFL Network.  She also serves as a sideline reporter for Big Ten Network.  Previously she served as a sideline reporter for Fox Sports Net.

Dancing with the Stars (U.S. TV series): Dancing with the Stars is an American dance competition television series that premiered on June 1, 2005, on ABC.  It is the US version of the UK series "Strictly Come Dancing".  The show is hosted by Tom Bergeron, alongside Erin Andrews, who became co-host in season eighteen.  Lisa Canning was co-host in the first season, Samantha Harris co-hosted seasons two through nine and Brooke Burke-Charvet in seasons ten through seventeen.  On May 12, 2017, it was announced that the series has been renewed for season twenty six.

Erin Andrews: Erin Jill Andrews (born May 4, 1978) is an American sportscaster and television personality.  She hosts "Dancing with the Stars" for ABC and is a sideline reporter for Fox NFL.

Krista Voda: Krista Voda (born May 31, 1974) is an American sportscaster who covers auto racing.  Voda was a pit reporter for NASCAR on Fox and was the host of "The Setup", the pre-race show for coverage of the Camping World Truck Series, as well as "Trackside" on Fox Sports 1 (formerly Speed Channel).  She also was a fill-in sideline reporter for the NFL on Fox.

Dancing with the Stars (U.S. season 17): Season seventeen of "Dancing with the Stars" premiered on September 16, 2013 and ended on November 26, 2013.  Tom Bergeron and Brooke Burke Charvet returned as hosts and Carrie Ann Inaba, Len Goodman, and Bruno Tonioli returned as judges.  The Harold Wheeler orchestra and singers also returned to provide the music throughout the season (which turned out to be their last).  This was also Brooke Burke-Charvet's last season as co-host.  The cast was announced on September 4, 2013, during "Good Morning America".

Michele Tafoya: Michele Tafoya Vandersall (born December 17, 1964, in Manhattan Beach, California), known professionally as Michele Tafoya, is an American sportscaster.  Since 2011, she has been a reporter for NBC Sports, featuring as the sideline reporter for "NBC Sunday Night Football".

Samantha Ponder: Samantha Sainte-Claire Ponder (née Steele) (born December 11, 1985) is an American sportscaster from Phoenix, Arizona who is currently the host of Sunday NFL Countdown on ESPN.  Prior to hosting Sunday NFL Countdown, Ponder worked as a reporter/host for ESPN college football and as a basketball sideline reporter.  Ponder replaced Erin Andrews on "College GameDay" Saturdays at 10 AM ET on ESPN, as well as co-host of the Saturday 9 AM ET edition on ESPNU.  In addition to her duties on College Gameday, Ponder had been the regular sideline reporter for ESPN's Thursday Night College Football with Rece Davis, Jesse Palmer, and David Pollack from August 2012 until 2014.  Ponder also appeared on the ESPN-owned Texas-oriented regional network Longhorn Network.

Alex Flanagan: Alex Flanagan (née Wystrach) (born September 22, 1972) is an American sportscaster who is a graduate of the University of Arizona and Salpointe Catholic High School in Tucson, Arizona.  She works for the NFL Network as an anchor/reporter and for NBC Sports as a sideline reporter for the Notre Dame home football games and for "Football Night in America".

Supporting paragraphs: Dancing with the Stars (U.S. season 18) Erin Andrews
Answer: Fox NFL