Question: What is the name of the capital city which the WMFX rock radio station serves in South Carolina?

Context paragraphs:
WIIZ: WIIZ (97.9 FM) is a radio station broadcasting a Mainstream Urban format.  Licensed to Blackville, South Carolina, USA, the station serves the Barnwell, SC & Augusta area.  The station is currently owned by Nicwild Communications, Inc.  Its studios are in Barnwell, South Carolina and the transmitter is in Kline, South Carolina.

Columbia, South Carolina: Columbia is the capital and second largest city of the U.S. state of South Carolina, with a population estimate of 134,309 as of 2016.  The city serves as the county seat of Richland County, and a portion of the city extends into neighboring Lexington County.  It is the center of the Columbia metropolitan statistical area, which had a population of 767,598 as of the 2010 United States Census, growing to 817,488 by July 1, 2016, according to 2015 U.S. Census estimates.  The name "Columbia" is a poetic term used for the United States, originating from the name of Christopher Columbus.

WJJO: WJJO ("94-1 'JJO") is a radio station broadcasting at 94.1 FM in Madison, Wisconsin.  (licensed to Watertown, Wisconsin).  It describes itself as having an "active rock" format, targeting adults 18 to 49.  WJJO is considered one of the hardest active rock radio stations in the country, and was voted #1 Rock Station in the country by the music industry in 2006 and 2007 and was the recipient of the Radio Contraband Rock Radio Award for Medium Market Radio Station of the year in 2011, 2012, 2013 and 2014.  WJJO was inducted to the Rock Radio Hall of Fame in 2014.  The station is owned by Mid-West Management, Inc.

WMFX: WMFX is a mainstream rock radio station licensed to St. Andrews, South Carolina and serves the Columbia, South Carolina market.  The Alpha Media outlet is licensed by the Federal Communications Commission (FCC) to broadcast at 102.3 MHz with an effective radiated power (ERP) of 6 kW.  The station goes by the name Fox 102.3 and its current slogan is "Columbia's Rock Station."  Its studios are located on Pineview Drive and transmitter tower are located north of Columbia off Monticello Road.

WQXL: WQXL (1470 kHz "The Point 100.7 FM and 1470 AM") is a commercial AM radio station in Columbia, South Carolina.  The station is owned by Glory Communications and operated by Capital City Media.  It airs a talk radio format.  Local hosts are heard in morning and afternoon drive times, with nationally syndicated talk shows heard middays, evenings and late nights.  They include Dave Ramsey, Laura Ingraham, Todd Schnitt, Michael Savage, Doug Stephan and Red Eye Radio.  Most hours begin with ABC Radio News, with local and state news supplied by the South Carolina Radio News Network.

KRBT: KRBT (1340 AM) is a radio station broadcasting a sports format.  Licensed to Eveleth, Minnesota, United States, the station serves the Iron Range area.  The station is currently owned by Range Broadcasting, Inc., and features programming from the Red Zone Radio Network.  Originally a stand alone music station with call letters WEVE, then a simulcast music station with WEVE-FM, the station changed it's call letters to KRBT for "Range's Best Talk" in June of 1998 and discontinued simulcast with WEVE-FM to become a talk station.  The format change to sports/talk was made following the death of previous owner, Lew Latto, Iron Range Broadcasting, Inc.  President on August, 24 2011 and subsequent sale to Red Rock Radio in March 2012, and has been retained by the new owner as of July 2017, Range Broadcasting, Inc.

WZTF: WZTF (102.9 FM) is a radio station broadcasting an Urban Adult Contemporary format.  Licensed to Scranton, South Carolina, USA, the station serves the Florence, South Carolina area.  The station is currently owned by iHeartMedia, Inc., through licensee AMFM Radio Licenses, L.L.C.

WHMC-FM: WHMC-FM (90.1 FM) is a radio station broadcasting a Public Radio format.  Licensed to Conway, South Carolina, USA, the station serves Myrtle Beach and the Grand Strand.  The station is currently owned by South Carolina Educational TV Commission.  The station is a member of NPR and an affiliate of ETV Radio affiliate's all-news network, airing a format of talk radio with some jazz and special musical programs on weekends.

Solid Rock Radio: Solid Rock Radio is a non-commercial Christian Rock and Contemporary Christian music internet radio station based in North Augusta, South Carolina.  Solid Rock Radio first hit the web in July 2006.  This station is listener supported and depends on contributions for operational funding as it does not sell paid on air advertisement.

WCKN: WCKN (92.5 FM) is a radio station broadcasting a country music format.  Licensed to Moncks Corner, South Carolina, USA, the station serves the Charleston, South Carolina area.  The station is currently owned by Apex Broadcasting, Inc.  The station's studios are located in Charleston (east of the Cooper River) and the transmitter tower is in Mount Pleasant.

Supporting paragraphs: WMFX Columbia, South Carolina
Answer: Columbia