Question: When You Really Loved Someone was a song by the ABBA member who released a self-titled album in what year?

full_context: Document 1: En karusell: "En karusell" was originally released in 1972 as a 7" single in Sweden which was sung in Swedish and also in Japan where the song was titled "En Carousel" and sung in English. The song was included as the A-side song and was credited to Björn & Benny. Future members of ABBA Agnetha Fältskog and Anni-Frid Lyngstad did backing vocals on the song but were not credited for their contribution.The B-side song on the Swedish release was titled "Att finnas till" and the B-side song on the Japanese release was titled "Lycka".
Document 2: Dance Love Pop: Dance Love Pop is the third studio album by Swedish recording artist Agnes, released originally on October 29, 2008 in Sweden. This was Agnes' first studio album since 2006 and her comeback to the music stage. The album is written and produced by Swedish songwriter Anders Hansson and geared towards the dance and club genre. When released the first single "On and On" it immediately showed a clear change of artistic direction for her music. This was clearly observed by the critics who all homaged her new musical style. In Sweden, a deluxe edition of the album titled "Dance Love Pop: The Love Love Love Edition" was released, featuring the original 10 tracks plus new song "Love Love Love", of which Agnes competed with in the Swedish drafts for Eurovision Song Contest 2009 in Moscow. The deluxe edition also included remixes and music videos of the album's singles and re-entered the official Swedish Top 60 Album Chart peaking at number 12. A re-release of the album was also made in France, where the ""Edition Collector"" was released on January 18, 2010 and peaked at forty-seven.
Document 3: Kärleken är: "Kärleken är" (literally, "The love is", English title: "Eternal Love") is a ballad in Swedish about love. It was written by Ingela Forsman, Bobby Ljunggren and Håkan Almqvist. The song was sung by Swedish pop and country singer Jill Johnson in the Swedish Melodifestivalen 1998, where it won and competed for Sweden in the Eurovision Song Contest 1998. It finished 10th with 53 points. It was the last Swedish entry in the Eurovision Song Contest sung in Swedish.
Document 4: Frida ensam: Frida ensam (English: Frida Alone ) is the second album by ABBA singer Anni-Frid Lyngstad. It was produced by her fiancé, ABBA member Benny Andersson and was first released by Polar Music in 1975. It has since been re-released several times, most significantly in remastered form in 2005 with bonus tracks. The lead song was Frida's solo version of "Fernando" (written and produced by Andersson and Björn Ulvaeus). All lyrics are in Swedish. The album was a huge success in Sweden, and Lyngstad was awarded with a platinum disc. The album is included in the box set, Frida – 4xCD 1xDVD.
Document 5: Anni-Frid Lyngstad: Anni-Frid Synni, Princess Reuss of Plauen (German: "Anni-Frid Synni, Prinzessin Reuß von Plauen" ; born Anni-Frid Synni Lyngstad, 15 November 1945), commonly known as Frida Lyngstad, or just by the mononym, Frida, is a Norwegian-born Swedish singer, songwriter, and environmentalist. Known for her warm personality, striking auburn hair and rich mezzo-soprano voice, she is best known as one of the lead singers of the Swedish pop band, ABBA.
Document 6: I Need You Now (Agnes song): "I Need You Now" is a pop song recorded by the Swedish singer Agnes for her third album "Dance Love Pop". The song was written by Anders Hansson and Sharon Vaughn. It was released as the album's second single in the UK in a remixed form. The song was re-sung and completely reproduced during summer 2009 for the single release. It was also released as the third single in the Netherlands on October 9.
Document 7: Loving You (Feargal Sharkey song): "Loving You" is pop vocalist Feargal Sharkey's second single as a solo artist, released in 1985. The single's two tracks did not feature on Sharkey's self-titled 1985 debut album "Feargal Sharkey".
Document 8: Linda Ulvaeus: Linda Elin Ulvaeus (born 23 February 1973) is a Swedish singer-songwriter, screen and stage actress. She is the eldest child of Agnetha Fältskog and Björn Ulvaeus, former members of the Swedish pop group ABBA.
Document 9: When You Really Loved Someone: "When You Really Loved Someone" is a song by Swedish recording artist and former ABBA member Agnetha Fältskog. On  11, 2013 (2013--) it was internationally released as the first single from her fifth English solo album, "A".
Document 10: 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 11: Agnetha Fältskog: Agnetha Fältskog (] , born 5 April 1950) is a Swedish musician, singer, songwriter, actress, and author. She achieved success in Sweden after the release of her debut album "Agnetha Fältskog" in 1968, and reached international stardom as a member of the pop group ABBA, which has sold over 380 million albums and singles worldwide, making them one of the best-selling music artists in history.
Document 12: Disillusion (ABBA song): "Disillusion" is a ballad by the pop group ABBA, on their first album "Ring Ring" (1973). It is notable as the only song ABBA recorded to have a song-writing credit from Agnetha Faltskog. She, unlike Anni-Frid Lyngstad, was a songwriter as well as a singer, and had dabbled in that in her pre-ABBA career. She wrote the music, with lyrics added by fellow ABBA member Björn Ulvaeus.
Document 13: Fernando (song): "Fernando" is a song by the Swedish pop group ABBA. It was the group's first non-album single and was released in March 1976 through Polar Music. The track was featured on the 1976 compilation album "Greatest Hits" in most countries, but was included on the group's fourth studio album "Arrival" in Australia and New Zealand. "Fernando" is also featured on the multi-million selling "" compilation. The song was to become one of ABBA's best-selling singles of all time, with six million copies sold in 1976 alone. It is one of fewer than forty all-time singles to have sold 10 million (or more) physical copies worldwide, making it one of the best selling singles of all time.
Document 14: The One Who Loves You Now: "The One Who Loves You Now" is a song by Swedish recording artist and former ABBA member Agnetha Fältskog. It was released in Germany and Austria on  11, 2013 (2013--) as the first single off her 5th English solo album ""A"". Internationally, the first single from ""A"" was When You Really Loved Someone.
Document 15: ABBA: ABBA (] ) were a Swedish pop group, formed in Stockholm in 1972 by members Agnetha Fältskog, Björn Ulvaeus, Benny Andersson, and Anni-Frid Lyngstad. They became one of the most commercially successful acts in the history of popular music, topping the charts worldwide from 1974 to 1982. ABBA won the Eurovision Song Contest 1974 at The Dome in Brighton, UK, giving Sweden its first triumph in the contest, and are the most successful group to have ever taken part in the competition.
ground_truth: 1968