Question: Who was the artist who worked with Max Martin and a Swedish songwriter to make her second greatest hits album?

Context paragraphs:
Greatest Hits (Aqua album): Greatest Hits is the second greatest hits album by Danish-Norwegian pop band Aqua.  The album was released on June 15, 2009 on Universal.  Although it is their second greatest hits album, it is the first one to be released internationally, with "" (2002) only being released in Japan.  The album includes digitally remastered versions of sixteen songs from Aqua's two previous studio albums, "Aquarium" (1997) and "Aquarius" (2000), and three new songs: "Back to the 80s", "My Mamma Said", and "Live Fast – Die Young".  "Back to the 80s" was released as the album's lead single on May 25, 2009.

3 (Britney Spears song): "3" is a song recorded by American singer Britney Spears for her second greatest hits album, "The Singles Collection" (2009).  It was written and produced by Max Martin and Shellback, with additional writing from Tiffany Amber.  The song was released on October 2, 2009 by Jive Records, as the only single from "The Singles Collection".  "3" is an uptempo electropop song that features a heavy bassline and synthesizers, and lyrics that talk about threesomes, while referencing American folk-singing trio Peter, Paul and Mary during the chorus as sexual slang.

Greatest Hits 87–97: Greatest Hits (titled on the back cover as Greatest Hits 87-92) is the second greatest hits album by Australian-born singer Kylie Minogue.  Released in 18 November 2002 by PWL, the album collects work from Minogue's PWL period, including the albums "Kylie" (1988), "Enjoy Yourself" (1989), "Rhythm of Love" (1990), "Let's Get to It" (1991) and "Greatest Hits" (1992).

Greatest Hits (Westlife album): Greatest Hits is the second greatest hits album and final release by Irish boy band Westlife.  It was released on 18 November 2011 by RCA Records and Sony Music.  "Greatest Hits" is the group's second greatest hits album following "" (2002).  The album is the group's first album not under Syco Music and not under the tutelage of Simon Cowell, having left Syco and Cowell in March 2011.  The greatest hits album contains numerous singles that span throughout the band's career, as well as four new songs produced by John Shanks, which includes the lead single "Lighthouse", which was released on 14 November 2011.  The compilation was released in two different formats, a standard edition containing the album's eighteen tracks, and a deluxe edition featuring numerous other singles of the band's discography, as well as a DVD containing almost all of the band's music videos.

The Best Hits (Enrique Iglesias album): The Best Hits is the second greatest hits album, and seventh overall release, from pop singer Enrique Iglesias.  The album was released by Fonovisa after Iglesias had left them, and is the second of three compilation releases made available following his departure.  The collection includes a number of album tracks and popular singles, although due to the release of "Bailamos Greatest Hits" a few months prior, failed to sell highly in the United States or Latin America.  Unlike its predecessor, the album contains more singles than album tracks, and could be seen as more of a greatest hits than "Bailamos Greatest Hits".  The album was certified gold in u.s for sales of 500,000 copies.

Greatest Hits 2 (Toby Keith album): Greatest Hits 2 is the title of a greatest hits album released in 2004 by American country music singer-songwriter Toby Keith.  The second greatest hits album of his career, it was released by DreamWorks Records Nashville.  The album was certified triple platinum by the RIAA on January 11, 2006, and has sold 3,944,200 copies in the United States as of January 2017.

Shellback (record producer): Karl Johan Schuster (] ; born 1 February 1985), known professionally as Shellback, is a Swedish songwriter, record producer, and musician.  Shellback was listed as the No. 1 producer of 2012 on "Billboard" magazine's year end chart, and he also topped the list of their "Top 10 Songwriters Airplay Chart" the same year; he has won four Grammy Awards.

List of best-selling albums in the United Kingdom: The best-selling album in the United Kingdom is "Greatest Hits", a compilation album by British band Queen that was first released in 1981.  s of 2016 , it has sold more than 6.12 million copies, of which approximately 124,000 have been from downloads.  Queen's second greatest hits album, "Greatest Hits II", has sold approximately 4 million copies since being released in 1991, and is the tenth biggest-selling album in the UK.  These sales figures include 50% of sales of box sets containing both these albums and 33% of sales of box sets of all three Queen "Greatest Hits" albums.

Dance Again... the Hits: Dance Again... the Hits is the first greatest hits album of American singer Jennifer Lopez.  It was released on July 20, 2012, by Epic Records, to coincide with the launch of her first world tour, the Dance Again World Tour.  Lopez previously conceived plans for a greatest hits album in 2009, but instead opted to use the material recorded for her seventh studio album, "Love? ", which was released by Island Records in May 2011 after her departure from Epic Records in 2010.  As Lopez owed the label one last album to fulfill her contract, she began work on a new greatest hits album in November 2011.  She later became unsure whether she wanted to go along with plans to release a greatest hits album or a new studio album, eventually deciding on the former.

Greatest Hits (New Kids on the Block album): New Kids on the Block - Greatest Hits is the second greatest hits album by New Kids on the Block, and their seventh altogether.  It was originally released on February 16, 1999 with hits from previous albums.  On August 12, 2008, a new edition of "Greatest Hits" was released.  This was the fourth hits album from the band featuring a new track list (eighteen in total).

Supporting paragraphs: 3 (Britney Spears song) Shellback (record producer)
Answer: Britney Spears