Question: What band formed earlier, Middle Class Rut or Superchunk?

Context paragraphs:
Pick Up Your Head: Pick Up Your Head is the second album by Middle Class Rut, released June 25, 2013 by Bright Antenna Records.  The album is available as a digital download, CD and 12" double record.  Produced by the band, the album was mixed by Dave Sardy.

Busy Bein' Born: "Busy Bein' Born" is a song by Middle Class Rut from their 2010 album "No Name No Color".  The song ranked #47 on Billboard Rock Songs and #29 on Billboard Alternative Songs in 2011.

Superchunk: Superchunk is an American indie rock band from Chapel Hill, North Carolina, consisting of singer-guitarist Mac McCaughan, guitarist Jim Wilbur, bassist Laura Ballance, and drummer Jon Wurster.  Formed in 1989, they were one of the bands that helped define the Chapel Hill music scene of the 1990s.  Their energetic, high-velocity style and do-it-yourself ethics were influenced by punk rock.

Nate Perry: Nate Perry is an American rock bass player and songwriter.  He grew up in Northern California and has been based in Los Angeles since 1999 where he has performed, toured and recorded with several artists including CSS, Manic, Middle Class Rut, Jesse Spencer of the Fox show "House", Fractional Importance, Stars Align, Art of Chaos, and Toadies guitarist Darrel Herbert.

No Name No Color: No Name No Color is the debut LP by Middle Class Rut, released October 4, 2010 under exclusive Worldwide license to Bright Antenna.  The album was made available as a Digital Download, CD and Limited Edition 12" Double Record.

Aunt Betty: "Aunt Betty" is a single by American alt-rock band Middle Class Rut.  It was released as the first single from their second album "Pick Up Your Head".  The song was an instant download with an iTunes pre-order of their second album "Pick Up Your Head".  The music video premiered April 26, 2013 on Loudwire.

New Low (song): "New Low" is a song written by Zack Lopez and Sean Stockham recorded by Middle Class Rut from their 2008 Extended Play "Red" and their 2010 album "No Name No Color".  The song peaked at No. 12 on the "Billboard" Rock Songs chart and No. 5 on the "Billboard" Alternative Songs chart.  The song is featured in the NBA 2K12 soundtrack.

25 Years (Middle Class Rut album): 25 Years is a 2009 EP by Middle Class Rut, released on May 26, 2009, under exclusive Worldwide license to Bright Antenna.  The EP was released as a digital download, CD and 12" record.

Middle Class Rut: Middle Class Rut, also known as MC Rut, is an American alternative rock band duo consisting of vocalist/guitarist Zack Lopez and vocalist/drummer Sean Stockham.  They were formed in Sacramento, California in December 2006.  After several EP's, in 2010 they released their first full-length LP, "No Name No Color".  Their second album "Pick Up Your Head" was released June 25, 2013.

Hidden Hospitals: Hidden Hospitals is an alternative progressive rock band from Chicago, Illinois.  The band was originally formed from members of the bands Damiera and Kiss Kiss (band).  They released their first EP, "EP 001", in September 2011.  They played their first show September 6, 2011 at the Bottom Lounge in Chicago.  Their next album, "EP 002", was released in October 2012.  Hidden Hospitals has supported many national acts including Blindside (band), Hot Rod Circuit, Cartel (band), Middle Class Rut, Now, Now, Kevin Devine and The Used.  2013 saw the band release EP 001 + EP 002 on a combined vinyl and go on two national tours in support of the release.

Supporting paragraphs: Middle Class Rut Superchunk
Answer: Superchunk