Question: Who fathered Helena Sverkersdotter of the nation that released the artists who sang love me love me say that you love me?

full_context: Document 1: Helen of Sweden (13th century): Helen of Sweden ( 1190 – 1247, Swedish: "Helena") was a Swedish princess and abbess, daughter of King Sverker II of Sweden and the mother of Queen Catherine of Sweden. She was Abbess of Vreta Abbey.
Document 2: 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 3: 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 4: Helén murder: The Helén murder () is a sadistic murder of 10-year-old Helén Nilsson in Hörby, Sweden, in March 1989. The murderer, Ulf Olsson, the so-called Helén man ("Helén-mannen"), was convicted in April 2005, having been found after a DNA test in 2004.
Document 5: Victoria, Crown Princess of Sweden: Victoria, Crown Princess of Sweden, Duchess of Västergötland (Victoria Ingrid Alice Désirée; , born 14 July 1977) is the heir apparent to the Swedish throne, as the eldest child of King Carl XVI Gustaf. If she ascends to the throne as expected, she will be Sweden's fourth queen regnant (after Margaret, Christina and Ulrika Eleonora) and the first since 1720.
Document 6: Helvis of Ibelin: Helvis of Ibelin (after 1178 – before 1 June 1216) was a daughter of Balian of Ibelin and his wife, Maria Komnene, who was the dowager Queen of Jerusalem. Helvis was a member of the House of Ibelin. She was Lady of Sidon by her first and second marriage.
Document 7: Release Me (Agnes song): "Release Me" is a pop song recorded by Swedish singer Agnes Carlsson taken from her third album "Dance Love Pop". The track was written by Agnes Carlsson, Anders Hansson and Sharon Vaughn. It was released as the album's second single in Sweden, and as Agnes' debut single internationally. The song has been critically appreciated for its swooping harmonies and Agnes' vocal talents. "Release Me" was another top ten hit for Agnes in Sweden and has also been charting in Belgium, Denmark, Ireland, the Netherlands and the United Kingdom. Worldwide, the single has sold over 900,000 copies making it Agnes' biggest hit to date and a worldwide commercial success.
Document 8: Fool for Your Love: "Fool For Your Love" is a song written by Don Singleton, and recorded by American country music artist Mickey Gilley. It was released in March 1983 as the first single and title track from the album "Fool for Your Love". The song was Mickey Gilley's sixteenth number one country single as a solo artist. The single went to number one for one week and spent a total of twelve weeks on the country chart.
Document 9: 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 10: Crazy Little Thing Called Love: ``Crazy Little Thing Called Love ''is a song by the British rock band Queen. Written by Freddie Mercury in 1979, the track is included on their 1980 album The Game, and also appears on the band's compilation album, Greatest Hits in 1981. The song peaked at number two in the UK Singles Chart in 1979, and became the group's first number - one single on the Billboard Hot 100 in the US in 1980, remaining there for four consecutive weeks. It topped the Australian ARIA Charts for seven weeks.
Document 11: Yolanda of Poland: Blessed Yolanda of Poland (also known as Helen; 1235 – 11 June 1298) was the daughter of King Béla IV of Hungary and Maria Laskarina. She was the sister of Saint Margaret of Hungary and Saint Kinga (Cunegunda). One of her paternal aunts was the great Franciscan saint, Elizabeth of Hungary.
Document 12: 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 13: 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 14: It Must Have Been Love: ``It Must Have Been Love ''is a song written by Per Gessle and performed by the Swedish pop duo Roxette. The ballad became the duo's third number one hit in the United States, and is one of their best selling releases, being certified gold or platinum in a number of countries.
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: Sverker II of Sweden
sub_queries: who sang love me love me say that you love me Answer: The Cardigans
What country released The The Cardigans ? Answer: Sweden
Who fathered Helena Sverkersdotter of Sweden ? Answer: Sverker II of Sweden