Question: Samantha Sainte-Claire Ponder, is an American sportscaster from Phoenix, Arizona who is currently the host of Sunday NFL Countdown on ESPN, Ponder replaced Erin Andrews, on which TV show?

Context paragraphs:
Chris Berman: Christopher James Berman (born May 10, 1955), nicknamed Boomer, is an American sportscaster.  He has been an anchor for "SportsCenter" on ESPN since 1979, joining a month after its initial launch, and hosted the network's "Sunday NFL Countdown" program from 1985 to 2016.  He has also anchored "Monday Night Countdown", U.S. Open golf, the Stanley Cup Finals, and other programming on ESPN and ABC Sports.  Berman calls play-by-play of select Major League Baseball games for ESPN, which included the Home Run Derby until 2016.  A six-time honoree of the National Sports Media Association's "National Sportscaster of the Year" award, Berman was instrumental in establishing ESPN's lasting popularity during the network's formative years.  He is well known for his various catchphrases and quirky demeanor.  In January 2017, it was announced that Berman would be stepping down from several NFL-related roles at ESPN, but would be remaining at the company.

Chris Mortensen: Chris Mortensen (born November 7, 1951) is an American journalist providing reports for ESPN's "Sunday NFL Countdown", "Monday Night Countdown", "SportsCenter", ESPN Radio, and ESPN.com.

Sal Paolantonio: Sal Paolantonio (born June 13, 1956 in Long Island, New York) is a Philadelphia-based bureau reporter for ESPN, who primarily reports on NFL stories.  Since joining ESPN in 1995, Paolantonio has become a staple in their NFL coverage, as he contributes to shows such as "SportsCenter", "NFL Live", "Sunday NFL Countdown" (from a game site) and "Monday Night Countdown" (from the "Monday Night Football" site).  In 2004, he added studio work to his duties, replacing Suzy Kolber as the host of "NFL Matchup", an X's and O's football show; joining him are Merril Hoge and Ron Jaworski.  His best known work for ESPN was his coverage of the Terrell Owens saga with the Philadelphia Eagles during the 2004 and 2005 seasons.  Sal has also been an adjunct professor at St. Joseph's University in Philadelphia since 2001.

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.

Josh Vietti: Josh Vietti is an American Grammy nominated violinist and composer from Los Angeles, California.  On December 27, 2012, Vietti was named one of Los Angeles' "Best Breakout Music Acts" of 2012 by CBS Los Angeles for his unique talent and contributions to music education.  Although generally billed as a hip-hop violinist, Vietti also incorporates country, gospel, pop, jazz and classical music styles into his repertoire.  Josh is currently featured on ESPN's Sunday NFL Countdown commercial titled "The Journey".  The commercial airs each Sunday throughout the NFL season.  In the segment Vietti performs his own violin arrangement of the hip-hop classic In Da Club by rapper 50 Cent.

NFL Insiders: NFL Insiders is a National Football League studio show, currently airing Monday through Friday at 3:00 p.m. ET on ESPN.  The football-themed show replaced "NFL 32" on August 5, 2013.  the program is one of the only NFL-related studio programs to air during the week along with "NFL Live".  On September 13, 2015, a new Sunday edition of "NFL Insiders" began airing on Sundays at 10:00 a.m. ET, replacing the first hour of "Sunday NFL Countdown" (which itself was shortened from 3 hours to 2 hours before it became a 3-hour show once again in 2017).

Kenny Mayne: Kenneth Wheelock "Kenny" Mayne (born September 1, 1959) is an American sports journalist for ESPN.  He currently appears as host of "Kenny Mayne's Wider World of Sports" on ESPN.com, and he appeared as a weekly contributor to "Sunday NFL Countdown" with his weekly "Mayne Event" segment.

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.

Sunday NFL Countdown: Sunday NFL Countdown is a pregame show of all the NFL action for that week.  The official name is "Sunday NFL Countdown presented by Snickers".  The show airs on ESPN, ESPN HD, TSN and TSN HD from 10 a.m. to 1 p.m. Eastern time every Sunday during the National Football League regular season.  In Europe it is aired by ESPN America.

Ed Werder: Ed Werder (born May 3, 1960 in Longmont, Colorado) is an American sports reporter.  He was the Dallas-based bureau reporter for ESPN, primarily reporting on stories about the NFL before being laid off on April 26, 2017.  From 1998 to 2017, Werder was a staple of the network's NFL coverage, as he contributed to shows such as "SportsCenter", "NFL Live", "Sunday NFL Countdown" (from a game site) and "Monday Night Countdown" (from the "Monday Night Football" site).  Werder primarily reported on NFL news concerning the Dallas Cowboys.

Supporting paragraphs: Samantha Ponder Erin Andrews
Answer: College GameDay