Question: What band was formed first, Weezer or Royal Blood?

Context paragraphs:
Come On Over (Royal Blood song): "Come On Over" is a song written by Mike Kerr and Ben Thatcher of British rock duo Royal Blood.  The song was originally recorded by the duo for the band's debut single, "Out of the Black", where it appeared as the B-side.  The track later appeared as the third track on the band's debut extended play "Out of the Black", and as the second track on the band's eponymous debut studio album, "Royal Blood".  The track also appeared on the band's third single, released by Black Mammoth Records and Warner Bros.  Records on 21 April 2014.  "Come On Over" also appears on the soundtrack for "WWE 2K15" and "Guitar Hero Live".

Royal Blood (album): Royal Blood is the eponymous debut studio album by British rock duo Royal Blood.  The album, produced by the band and Tom Dalgety, was released by Warner Bros.  Records on 22 August 2014 in Friday-release countries and on 25 August 2014 in the United Kingdom.

Figure It Out (Royal Blood song): "Figure It Out" is a song written by Mike Kerr and Ben Thatcher of British rock duo Royal Blood.  The song was originally recorded by the duo for the band's eponymous debut studio album, "Royal Blood", where it appears as the third track on the album.  The track also appeared on the band's fourth single, released by Black Mammoth Records and Warner Bros.  Records on 18 August 2014 as the lead single promoting "Royal Blood".  "Figure It Out" also appears on the soundtrack for the video game "Pro Evolution Soccer 2016".

Weezer: Weezer is an American rock band formed in Los Angeles in 1992, consisting of Rivers Cuomo (lead vocals, guitar), Patrick Wilson (drums), Brian Bell (guitar, backing vocals, keyboards), and Scott Shriner (bass guitar, backing vocals).  Weezer has sold 9.2 million albums in the US and over 17 million worldwide.

Royal Blood discography: English hard rock band Royal Blood has released two studio albums, two extended plays (EPs), eight singles and nine music videos. Formed in Brighton in January 2013, Royal Blood is a duo consisting of bassist and vocalist Mike Kerr and drummer Ben Thatcher.  After signing with Warner Bros.  Records, the duo released their debut single "Out of the Black" in October 2013, which debuted at number 29 on the UK Rock & Metal Singles Chart.  In February 2014, "Little Monster" was issued as the band's second single, registering on the UK Singles Chart at number 95 and the UK Rock & Metal Singles Chart at number one.  Both singles were later issued alongside their B-sides on the EP "Out of the Black" in March. " Come On Over" – initially featured as the B-side to "Out of the Black" – was released as a single in April, reaching number 68 on the UK Singles Chart.  At the same time, "Little Monster" also returned to the charts, peaking at number 74 on the UK Singles Chart.

Royal Blood (band): Royal Blood are an English rock duo formed in Brighton in 2013.  The band's sound is reminiscent of and rooted in modern blues rock, hard rock, garage rock, stoner rock and psychedelic rock.  Their first album "Royal Blood" was released in August 2014.

Out of the Black (song): "Out of the Black" is a song written by Mike Kerr and Ben Thatcher of British rock duo Royal Blood.  The song was originally recorded by the duo for release as a single, appearing on the band's debut single of the same name, released by Black Mammoth Records on 11 November 2013.  The track later appeared as the opening track on the band's debut extended play "Out of the Black", and as the opening track on the band's eponymous debut studio album, "Royal Blood".  The track was also part of the soundtrack to the film "Who Am I – No System Is Safe", as well as the video games "Forza Horizon 2" and "EA Sports UFC".  It was also used in a featurette for the Netflix series "Daredevil" at the 2015 New York Comic Con.  The song was also the official theme song for the 2016 professional wrestling event "WWE Roadblock".  This song has also been covered by Billie Marten.

The Sword Stained with Royal Blood (film): The Sword Stained with Royal Blood is a 1993 Hong Kong film based on Louis Cha's novel "Sword Stained with Royal Blood".  The film was written, produced and directed by Cheung Hoi-ching and stars Yuen Biao, Sharla Cheung, Danny Lee, Ng Man-tat and Anita Yuen

Little Monster (song): "Little Monster" is a song written by Mike Kerr and Ben Thatcher of British rock duo Royal Blood.  The song was originally recorded by the duo for release as a single, appearing on the band's second single of the same name, released by Black Mammoth Records and Warner Bros.  Records on 10 February 2014.  The single marked the band's first release under Warner Bros.  Records after signing with the label in 2013.  The track later appeared as the second track on the band's debut extended play "Out of the Black", and as the sixth track on the band's eponymous debut studio album, "Royal Blood".  It is currently the duo's highest-charting single.  The song is included as a playable track in "Guitar Hero Live".

Gemfire: Gemfire (released in Japan as Royal Blood or ロイヤルブラッド "Roiyaru Buraddo", Super Royal Blood or スーパーロイヤルブラッド "Sūpā Roiyaru Buraddo" in its Super Famicom version) is a medieval war game for the MSX, Nintendo Entertainment System, Super NES, FM Towns, Mega Drive/Genesis, MS-DOS, and later Windows, developed by Koei.  The object in the game is to unify a fictional island by force.  Players use infantry, cavalry, and archers, as well as fantasy units such as magicians, dragons or gargoyles in order to capture the castle needed to control that particular territory.

Supporting paragraphs: Weezer Royal Blood (band)
Answer: Weezer