Question: Call Me is the theme to "American Gigolo", written by a rock band of which nationality?

Context paragraphs:
Back-On: Back-On (stylized as BACK-ON) is a Japanese rock band from Tokyo, Japan.  They are recognized for creating anime and game opening themes such as the "" opening theme, "fly away"; "Air Gear" opening theme, "Chain"; "Murder Princess" opening theme "Hikari Sasuhou (fk Metal ver.)"  and "Eyeshield 21"s "Blaze Line".  etc., although they have also written ending themes for both anime and TV shows.  These include "flower" and "a day dreaming..." for "Eyeshield 21", and "Butterfly" for the late-night TV drama "Shinjuku Swan", and most recently "Sands of Time" for the mobile robot TV drama "Keitai Sousakan 7" and "Strike Back" for the continued run of the shounen anime series "Fairy Tail".

Blondie (band): Blondie is an American rock band founded by singer Debbie Harry and guitarist Chris Stein.  The band was a pioneer in the early American new wave and punk scenes of the mid-late 1970s.  Its first two albums contained strong elements of these genres, and although successful in the United Kingdom and Australia, Blondie was regarded as an underground band in the United States until the release of "Parallel Lines" in 1978.  Over the next three years, the band achieved several hit singles including "Call Me", "Rapture" and "Heart of Glass" and became noted for its eclectic mix of musical styles incorporating elements of disco, pop, reggae, and early rap music.

Sugarloaf (band): Sugarloaf was an American rock band in the 1970s.  The band, which originated in Denver, Colorado, scored two Top 10 hits, with the singles "Green-Eyed Lady" and "Don't Call Us, We'll Call You".

Call My Name (Third Day song): "Call My Name" is a song recorded by the Christian rock band Third Day.  Written by Mac Powell and produced by Third Day, it was released as the lead single from the band's 2008 album "Revelation" through Essential Records.  "Call My Name" has been considered a pop rock and "AC-friendly" song with a basic drum track and a "solid" melody.  Lyrically, it has been alternately described as being set from the perspective of God or being a cry out to God.

Eloy: 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.

Call the Police (LCD Soundsystem song): "Call the Police" (stylized as "call the police" on digital releases) is a song by American rock band LCD Soundsystem.  It was released together with "American Dream" as a digital double A-side single on May 5, 2017, through DFA Records and Columbia Records, as the lead single from their fourth studio album, "American Dream" (2017).  The song peaked at number 78 in Scotland and number 26 on the "Billboard" Hot Rock Songs chart.

Call Me (Blondie song): "Call Me" is a song by the American new wave band Blondie and the theme to the 1980 film "American Gigolo".  Released in the US in early 1980 as a single, "Call Me" was number one for six consecutive weeks on the "Billboard" Hot 100 chart, where it became the band's biggest single and second #1.  It also hit #1 in the UK and Canada, where it became their fourth and second chart-topper respectively.  In the year-end charts of 1980 it was Billboard's #1 hit, and according to Billboard magazine, was the top-selling single of the year in the United States in 1980 and RPM's #3.

Hacienda Brothers: The Hacienda Brothers is an American alternative country band composed of Chris Gaffney, Dave Gonzalez, Dave Berzansky, Dale Daniel, and Hank Maninger.  They have been described as "the finest country rock band since the Flying Burrito Brothers in their prime," and were called "the best country band of the decade."  Their music blends soul, blues, rockabilly, country, Tex-Mex and rock and roll.  They themselves call it "western Soul."  The band was hailed as making a "groundbreaking blend of country, rock, blues and accordion-anchored Americana" and by the time founder Chris Gaffney died in 2008 had made three studio albums and one live album.

The Best of The Call: The Best of The Call is a compilation album released by American rock band The Call.  The album was released in the United States on July 8, 1997 by WEA (Now Warner Music Group), the music arm of Warner Bros..  The album includes songs spanning the group’s career, as well as two new tracks and solo tracks from Been.

Why'd You Only Call Me When You're High?: "Why'd You Only Call Me When You're High?"  is a song by English indie rock band Arctic Monkeys.  It was released as the third single from their fifth studio album "AM" on 11 August 2013.  It was written by the group's lead vocalist Alex Turner while its production was handled by James Ford.  Upon its release, many critics compared the composition of "Why'd You Only Call Me When You're High?"  with works by different artists.

Supporting paragraphs: Blondie (band) Call Me (Blondie song)
Answer: American