question: What is the nationality of "Yen" a Singer-songwriter band?
answer: German
context: Title: Singer-songwriter
  Passage: Singer-songwriters are musicians who write, compose, and perform their own musical material, including lyrics and melodies.
  Title: Eloy
  Passage: Eloy is a German progressive rock band, whose musical style includes symphonic and space rock, the latter theme being more prevalent on earlier albums.  Despite their nationality and time period, the band is not generally considered krautrock because of their sound, which has much more in common with English progressive rock and symphonic rock groups such as Pink Floyd, King Crimson, Yes, and Camel.
  Title: Stellar West
  Passage: Stellar West is an American rock band from Naperville, Illinois formed in 2014.  The group consists of Parker Belonio (vocals, guitar), Cole Onley (bass guitar), and Jake Deutschman (drums).  Their debut release, the EP "Songs From the Basement", was released October 22, 2015 and their first album, "Unfiltered", was released November 13, 2016.  Both the EP and LP were produced by Adam Krier and engineered by Andy Gerber at Million Yen Studios.  Pre-production was done at Sound Summit with Adam Krier and Charlie Dresser.
  Title: Elviss
  Passage: Elviss were a West London-based British alternative rock band, who were active during the mid-2000s releasing only one album titled "Dead Cat and Sharksick" in 2004.  The album was due to be released in 2003 after the release of their third single "Radio (Kill It)", but it was put back until the band had a hit single.  It ultimately was never released in their homeland but was released in Japan on 21 April 2004 with a retail price of 2,100 Yen.  The UK release was due to be 11 tracks only, but the Japanese version had 12 with "Orange Glow" as this track.  The band's name was a reference to the Enhanced Low light level and Visible Surveillance System (ELVISS).  During their brief career, they opened for Feeder at a Kerrang! -sponsored gig and also opened for Stone Sour.  They were also championed by the magazine itself, which included an appearance at the "Kerrang!  Weekender" in 2002 at Camber Sands, East Sussex.  The intro of their "Deadcat and Sharksick" track "Tantrum", was used as an indents soundbed on Kerrang! 's music channel in 2003.
  Title: Enerate
  Passage: Enerate are a Sydney Based Acoustic Synth Pop group.  They are based in the Inner West region of Sydney, Australia.  The Band is currently not signed to a commercial label, and have been releasing material under the independent group "Big Big Records".  The group have enjoyed early success, with their pre-release single "Unstoppable" getting airplay across Australian digital and standard radio.  Enerate have played alongside the likes of Samuel Mason, Leroy Lee, and Heavy Yen.
  Title: Yen (band)
  Passage: Yen is a German rock band.  The name of the band stems from singer/songwriter Yen-Hwei Anetzberger.  "Yen-Hwei" means "Abundant grace" in Mandarin.
citations: Singer-songwriter Yen (band)