Question: When does the school year start in the country that the performers of Best Of are from?

full_context: Document 1: Education in Sweden: Education in Sweden is mandatory for all children between age 7 and age 16. The school year in Sweden runs from mid / late August to early / mid June. The Christmas holiday from mid December to early January divides the Swedish school year into two terms. Homeschooling is closely supervised by the government and very limited.
Document 2: Hep Stars: The Hep Stars were a Swedish rock group, formed in 1963 in Stockholm. During 1965-66 the band was the most successful of contemporary 1960s Swedish pop groups performing in the English language. Outside The Nordic Countries the band is best known as a launching point for the keyboard player and composer Benny Andersson, who went on to enjoy worldwide success with ABBA.
Document 3: The Cardigans discography: The Cardigans are a band from Sweden. They have released 6 studio albums which in total have sold about 15 million copies worldwide. This is a list of their album and single releases.
Document 4: Bengt Lagerberg: Bengt Lagerberg (born 5 July 1973), is best known as the drummer in the Swedish rock band The Cardigans. He is currently living in Malmö.
Document 5: Best of the Beast: Best of the Beast was Iron Maiden's first "best of" album, released in 1996 in three formats: a 34 track (four disc) vinyl, a 27 track (two disc) CD, a 16 track (single disc) CD and MiniDisc. The vinyl edition is, to date, the band's longest record release, running for over three hours.
Document 6: Education in Taiwan: The school year consists of two semesters. The fall semester begins in early September and runs till late January or early February. Winter vacation typically runs from two to three weeks around the Lunar New Year. Spring semester begins following the Lantern Festival in mid February and ends in early June. From middle school on, many schools hold ``optional supplementary classes ''during winter and summer vacation as well as after normal school hours. Despite the name, in many cases participation is compulsory. The language of instruction is Mandarin.
Document 7: Education in the United States: By state law, education is compulsory over an age range starting between five and eight and ending somewhere between ages sixteen and eighteen, depending on the state. This requirement can be satisfied in public schools, state - certified private schools, or an approved home school program. In most schools, compulsory education is divided into three levels: elementary school, middle or junior high school, and high school. Children are usually divided by age groups into grades, ranging from kindergarten (5 -- 6 year olds) and first grade for the youngest children, up to twelfth grade (17 -- 18 years old) as the final year of high school.
Document 8: Best of 061122‒071122: Best of 061122‒071122 is the first compilation album released by Swedish Singer-songwriter Miss Li. Released on December 25, 2007, her fourth album in just over a year, the album debuted at #29 on the Swedish albums chart, but reached a peak at #11 in August 2008.
Document 9: Best of Hilary Duff: Best of Hilary Duff is the first greatest hits album by American recording artist Hilary Duff. It was released on November 11, 2008, by Hollywood Records. The 12-track album consists of eight of Duff's previous singles, as well as two new recordings: "Reach Out" and "Holiday", and two remixes to the songs. Only one single was released from the album, the Ryan "Alias" Tedder-produced "Reach Out", which became her third single to chart at number one on the "Billboard" Hot Dance Club Play. Despite being a greatest hits album, her singles "Someone's Watching Over Me", "Our Lips Are Sealed" and "Beat of My Heart" aren't included in the standard edition of the album.
Document 10: The Cardigans: The Cardigans are a Swedish rock band formed in Jönköping, Sweden, in 1992 by guitarist Peter Svensson, bassist Magnus Sveningsson, drummer Bengt Lagerberg, keyboardist Lars-Olof Johansson and lead singer Nina Persson. The group's line-up has been very stable, the only change being that their post-hiatus shows since 2012 have been with Oskar Humlebo on guitar instead of Svensson.
Document 11: Myanmar: The educational system of Myanmar is operated by the government agency, the Ministry of Education. The education system is based on the United Kingdom's system due to nearly a century of British and Christian presences in Myanmar. Nearly all schools are government-operated, but there has been a recent increase in privately funded English language schools. Schooling is compulsory until the end of elementary school, approximately about 9 years old, while the compulsory schooling age is 15 or 16 at international level.
Document 12: Private school: In Sweden, pupils are free to choose a private school and the private school gets paid the same amount as municipal schools. Over 10% of Swedish pupils were enrolled in private schools in 2008. Sweden is internationally known for this innovative school voucher model that provides Swedish pupils with the opportunity to choose the school they prefer. For instance, the biggest school chain, Kunskapsskolan (“The Knowledge School”), offers 30 schools and a web-based environment, has 700 employees and teaches nearly 10,000 pupils. The Swedish system has been recommended to Barack Obama.
Document 13: Lovefool: ``Lovefool ''is a song written by Peter Svensson and Nina Persson for The Cardigans' third studio album, First Band on the Moon (1996). It was released as a single on 14 September 1996 in the United Kingdom and internationally on 5 October 1996. It was released as the album's lead single in 1996 and became the Cardigans' first international hit single, topping the Billboard Hot 100 Airplay chart and making appearances on six other Billboard charts. In 1997, the song found international success, peaking at number two on the UK Singles Chart and finding moderate success on some other European charts. The single also topped the charts in New Zealand, and was certified Gold in Australia.
Document 14: Friends (Swedish band): Friends was a Swedish "dansband" or pop group formed in 1999 and made up of Stefan Brunzell, Tony Haglund, Kristian Hermanson, Nina Inhammar, Kim Kärnfalk and Peter Strandberg. They were put together from auditions on the reality television show Friends på turne ("Friends on Tour"), made by Bert Karlsson for TV4. The show was a success and Friends competed on Melodifestivalen 2000, reaching second place. They won Melodifestivalen 2001 with "Lyssna till ditt hjärta" and represented Sweden at the Eurovision Song Contest 2001 with the English version of the song, "Listen to Your Heartbeat" wearing sexy, tight, leather fitted clothing. Prior to the Eurovision performance, the Swedish delegation was forced to pay royalties to the team behind "Liefde is een kaartspel", an earlier Belgian entry, making the song the first admitted case of plagiarism in Eurovision history.
Document 15: Best Of (The Cardigans album): Best Of is a greatest hits album by the Swedish group The Cardigans, released in Europe in January 2008. It contains twenty-one singles and album tracks. There is also a double-CD version with rare tracks and B-sides. Both versions of the album contain no new songs, though some tracks had previously been released only in the UK or Japan.
ground_truth: mid / late August
sub_queries: Best Of >> performer Answer: The Cardigans
What country released The The Cardigans ? Answer: Sweden
when does the school year start in Sweden Answer: mid / late August