Question: Which band, The Rockfords or Grandaddy, was an American indie rock band from Modesto, California?

Context paragraphs:
Below the Radio: Below the Radio is a mixtape put together by Jason Lytle of American indie rock band Grandaddy, released in 2004 by record label Ultra.  The album also included a new Grandaddy track, "Nature Anthem".

Last Place (album): Last Place is the fifth studio album by the American indie rock band Grandaddy, released on March 3, 2017 on 30th Century Records.  Self-produced and recorded by the band's frontman and primary recording artist Jason Lytle, the album is the first by Grandaddy since "Just Like the Fambly Cat" (2006) and the band's prior break-up.

Grandaddy discography: Grandaddy is an American indie rock band from Modesto, California.  They have released five studio albums, four self-released albums, four compilation albums, six EPs, sixteen singles and five split singles.

Built Like Alaska: Built Like Alaska is an indie rock band from Oakdale, California, USA.  Forming shortly Jackson's return to Oakdale from Humboldt State University in 1996, the band began playing local dives, dumps and police bars as a three-piece outfit.  Signing with Grandaddy's Sweat of the Alps label, they released their début full-length, "Hopalong", in 2003.  They attracted the attention of a larger indie label, "Future Farmer", who released album number two, "Autumnland", and re-released "Hopalong", both in 2005.  Also in 2005, the band provided the score for Scott Coffey's film "Ellie Parker" and spent a good deal of the summer touring the U.S. Built Like Alaska has recently completed work on their currently untitled third album, recorded by the band in Oakdale and mixed by Lucky Lew at Wave Parade in Modesto.

Concrete Dunes: Concrete Dunes is a compilation album by American indie rock band Grandaddy, released in October 2002 by record label Lakeshore.  This album has created some controversy among fans of the band, as this was not released with the band's permission.  Like "The Broken Down Comforter Collection", it collects tracks from the band's early releases.

Grandaddy: Grandaddy is an American indie rock band from Modesto, California.  The group was formed in 1992, and featured Jason Lytle, Aaron Burtch, Jim Fairchild, Kevin Garcia and Tim Dryden.

I Heart California: I Heart California is the debut studio album by American indie rock band Admiral Radley, a collaboration of members from the bands Grandaddy and Earlimart.  It was released on July 13, 2010 by record label The Ship.

The Rockfords: The Rockfords were an American rock band formed in Seattle, Washington, in 1999 by Carrie Akre, Chris Friel, and Danny Newcomb of Goodness, Mike McCready of Pearl Jam, and Rick Friel of Jodie Watts.  The group served as a side project for its members, who had already tasted success with their respective bands.

Admiral Radley: Admiral Radley is an American indie rock band based in California, formed in late 2009 by members from the bands Grandaddy (Jason Lytle and Aaron Burtch) and Earlimart (Aaron Espinoza and Ariana Murray).  Admiral Radley released their debut album, "I Heart California", on July 13, 2010 on their label The Ship.

Earlimart (band): Earlimart is an Indie rock band formed in 1998 in Los Angeles, California, and named after the town of Earlimart, California.  The main members are Aaron Espinoza and Ariana Murray.  Their early sound has been described as "post-punk", and compared to that of Pixies, Sonic Youth and Sparklehorse; later music has been compared to that of Grandaddy and Elliott Smith.  In 2009, Espinoza and Murray joined with Jason Lytle and Aaron Burtch, formerly of Grandaddy, to record an album entitled "I Heart California", which was released in 2010 under the name Admiral Radley.

Supporting paragraphs: The Rockfords Grandaddy
Answer: Grandaddy