Question: Which rock band was formed first,  The Rockfords or Radio Iodine?

full_context: Document 1: 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.
Document 2: List of Pearl Jam band members: Pearl Jam is an American alternative rock band that formed in Seattle, Washington in 1990. The original incarnation of Pearl Jam included bassist Jeff Ament, guitarists Stone Gossard and Mike McCready, vocalist Eddie Vedder, and drummer Dave Krusen. This line-up recorded Pearl Jam's debut studio album, "Ten". Krusen left the band in May 1991, three months before the album was released.
Document 3: WZRD (band): WZRD (pronounced one letter at a time, W-Z-R-D) is an American alternative rock band, composed of longtime friends and frequent collaborators, Dot da Genius and Kid Cudi. Formed in New York City in 2010, Cudi originally named the band Wizard, inspired by the Black Sabbath song of the same name. However, Cudi renamed the band on two separate occasions, the first being in April 2011 to 2 Be Continuum, explaining: "I needed something more original, something different...". The second time occurred in November 2011, to the band's current namesake. Their eponymous debut album "WZRD", was released in February 2012, peaking at number three on the US "Billboard" 200 chart. The album was supported by the lead singles, "Brake" and "Teleport 2 Me, Jamie".
Document 4: The Innocent (band): The Innocent was the band Trent Reznor of Nine Inch Nails played with after leaving Option 30. He then moved on to the Exotic Birds before creating his own band, Nine Inch Nails. The other members were Alan Greenblatt (as Alan Greene), Kevin Valentine, Rodney Cajka (as Rodney Psyka) and Albritton McClain. Valentine and McClain were both members of Donnie Iris and the Cruisers, and they had just recently opted to go on their own way from the band. The band's sole album was released on the regional Red Label Records.
Document 5: El Otro Yo: Argentinean alternative rock band El Otro Yo ("The Other Me") got involved in the local scene in the late '80s / early '90s, making its debut with a demo tape called Los Hijos de Alien, followed by Traka-Traka. Later on, the group successfully founded its own label, Besotico Records, thus sealing their independent personality. EOY is the independent group with the most albums recorded in the 90’s.The band shared tours and stages with bands such as Pixies, Smashing Pumpkins, Marilyn Manson, Incubus, Yo La Tengo, Molotov, Café Tacuba, Todos Tus Muertos, Los Brujos, Nick Cave and the Bad Seeds, Silverchair, Soda Stereo, Robi Draco Rosa, The Offspring and Placebo, among others . They have played extensively all over Latin American and the United States. El Otro Yo is the third band in the world (after Nine Inch Nails and Radiohead) to transform their official website into a social network, which is called Comunidad EOY. They are also the first Latin American band to offer their own application to iPhone, iPad and iPod Touch users.
Document 6: Mike McCready: Michael David "Mike" McCready (born April 5, 1966) is an American musician who serves as the lead guitarist for the American grunge band Pearl Jam. Along with Jeff Ament, Stone Gossard and Eddie Vedder, he is one of the founding members of Pearl Jam. McCready was also a member of the side project bands Flight to Mars, Temple of the Dog, Mad Season and The Rockfords. He is also the proprietor of Hockey Talkter Records.
Document 7: Radio-Active-Music: Radio-Active-Music was an independent record label founded in 2004 and based in Washington DC. Radio-Active-Music releases and distributes bands in the goth and industrial genres. It ceased operations in 2012.
Document 8: Radioshow: Radioshow is а cult Lithuanian black comedy radio and TV show hosted by Algis Ramanauskas-Greitai and Rimas Šapauskas. It is also the name of their humorous rock band. Radioshow has started at radio station Radiocentras in 1992. Later it has moved to the radio station Ultra Vires. In 1995 Radioshow debuted as a comedy puppet show on TV at LNK station. From 1997 till 1999 Radioshow was running at BTV TV station. In 2004 it briefly ran on Vilnius radio station Užupio radijas before being shut down, because of swearing on the air. However the show was immediately picked up by the regional radio station Vox Maris.
Document 9: The Radio Dept. discography: The discography of Swedish indie pop group, The Radio Dept. consists of three studio albums, four extended plays, ten singles and one compilation album. The Radio Dept. was formed in 1995 by Johan Duncanson, although they did not start recording until 2001. They were signed to Labrador Records the same year and have stayed with the label since. The band's lineup has changed over the years until it settled on the trio of Johan Duncanson and Martin Carlberg, with Daniel Tjäder on keyboards.
Document 10: Carrie Akre: Carrie Akre (born September 24, 1966) is an American musician best known for her work with Seattle underground bands Hammerbox and Goodness.
Document 11: Pearl Jam: Pearl Jam is an American rock band formed in Seattle, Washington, in 1990. Since its inception, the band's line-up has consisted of Eddie Vedder (lead vocals), Mike McCready (lead guitar), Stone Gossard (rhythm guitar) and Jeff Ament (bass). The band's fifth member is drummer Matt Cameron (also of Soundgarden), who has been with the band since 1998. Boom Gaspar (piano) has also been a session/touring member with the band since 2002. Drummers Dave Krusen, Matt Chamberlain, Dave Abbruzzese and Jack Irons are former members of the band.
Document 12: Rail (Australian band): Rail was an Australian band from Melbourne in the mid 1990s. The members were Dan Vertessy (vox & guitar), Dave Sayer (bass & vox), Ian Williams (drums & vox), Ash Naylor (guitar & vox). Vertessy and Williams played together in The Wick Effect from 1990-1992. They were originally named Sleeper and a self-titled EP was released in the early '90s. Triple J picked up the track "Spinning Ball" from the Sleeper EP which was also included on their debut album. They changed their name to Fragment to avoid confusion with a UK band. As Fragment they recorded a single track for Roo Art's "Young Blood" compilation before settling on the name Rail. They signed to Mushroom Records' White Label in 1994 and released two albums. Their debut album was titled "Bad Hair Life" and was critically acclaimed. It contained the single "Immune Deficiency" which received a lot of radio and TV airplay on the ABC, specifically Triple J. Rail were nominated for "Best New Talent" & "Breakthrough Artist" at The 1996 ARIA Awards.
Document 13: Goodness (band): Goodness was an American rock band from Seattle, Washington, led by Carrie Akre, formerly of Hammerbox and now primarily a solo artist. Goodness featured Akre (vocals), Danny Newcomb (lead guitar), Garth Reeves (guitar), Fiia McGann (bass), and Chris Friel (drums). Akre, Friel, and Newcomb later joined Mike McCready of Pearl Jam and Rick Friel to form the rock band The Rockfords.
Document 14: Radio Iodine: Radio Iodine was an alternative rock band from St. Louis, Missouri. It was formed in 1993 as 9 Days Wonder by Tony Persyn and his wife, Ellen. After another band threatened to sue over the name, the band changed its name to Radio Iodine. It signed to Radioactive Records, which released a self-titled EP in 1996. Radioactive Records chairman Gary Kurfirst moved the band to his new subsidiary label Radiouniverse, and the band's 1997 album "Tiny Warnings" was the label's inaugural release.
Document 15: Temple of the Dog: Temple of the Dog was an American rock band that formed in Seattle, Washington in 1990. It was conceived by vocalist Chris Cornell of Soundgarden as a tribute to his friend, the late Andrew Wood, lead singer of the bands Malfunkshun and Mother Love Bone. The line-up included Stone Gossard on rhythm guitar, Jeff Ament on bass guitar (both ex-members of Mother Love Bone), Mike McCready on lead guitar, and Matt Cameron on drums. Eddie Vedder appeared as a guest to provide some lead and backing vocals.
ground_truth: Radio Iodine