Question: What song did The Lonely Island feature Justin Timberlake in  on "SNL" in December of 2006?

Context paragraphs:
3-Way (The Golden Rule): "3-Way (The Golden Rule)" is a song recorded by American comedy music group The Lonely Island featuring American singers Justin Timberlake and Lady Gaga.  It appeared as an SNL Digital Short in the May 21, 2011 episode of the sketch comedy television series "Saturday Night Live" ("SNL"), which saw Timberlake and Gaga as the host and musical guest, respectively.  It was released as a single on May 24, three days after the broadcast.  The R&B song was written by Andy Samberg, Akiva Schaffer, Jorma Taccone, and Timberlake while produced by The Futuristics with additional production from Asa Taccone and Ryan & Smitty.  Samberg and Timberlake were nervous about presenting the idea to Gaga, who initially failed to find the humour in the song.

The Lonely Island discography: The discography of American comedy music troupe The Lonely Island consists of three studio albums, twenty singles and thirty-four music videos. Group members Andy Samberg, Akiva Schaffer and Jorma Taccone began creating live skits, comedy shorts and music parodies together in the early 2000s, during their high school years.  The Lonely Island later caught the attention of television producer Lorne Michaels, who was impressed by their material.  Michaels subsequently hired Samberg, Schaffer and Taccone as cast members and writers for his live sketch comedy show "Saturday Night Live".  Two musical shorts created by the group for the show, "Lazy Sunday" and "Dick in a Box", gained popularity on the Internet and garnered much media attention.

Turtleneck &amp; Chain: Turtleneck & Chain is the second studio album of the American comedy troupe The Lonely Island, whose members are Andy Samberg, Akiva Schaffer, and Jorma Taccone.  The album was released May 10, 2011, on Universal Republic Records.  Turtleneck & Chain was nominated for the Grammy Award for Best Comedy Album.  Many of the songs on the album debuted on "Saturday Night Live" as SNL Digital Shorts ("I Just Had Sex", "Jack Sparrow", "Shy Ronnie 2: Ronnie & Clyde", "Motherlover", "The Creep", "Threw It on the Ground", "Reba (Two Worlds Collide)", and "Great Day").  "We're Back" premiered on "Late Night with Jimmy Fallon".  The CD version of the album also includes a DVD featuring some of the digital shorts.  Collaborators on the album include Snoop Dogg, Akon, Rihanna, Justin Timberlake, Nicki Minaj, Michael Bolton, Santigold, John Waters, and Beck.

Love Dealer: Love Dealer is Esmée Denters' third single from her debut album "Outta Here".  The song was written by Denters, Justin Timberlake and production team StarGate in 2009.  StarGate produced the song together with Justin Timberlake, who also provided featured vocals.  On March 22, 2010, British radio station BBC Radio 1Xtra confirmed that "Love Dealer" would be Esmée Denters' next single off of "Outta Here".  It was, however, her first official single in the US.  The song was released in an attempt to help her break the US market with the help of Justin Timberlake.  Due to a lack of airplay in the United Kingdom the single failed to reach the UK Top 40.  It also failed to chart on the "Billboard" Hot 100.

I Just Had Sex: "I Just Had Sex" is a dirty rap song by American comedy hip hop group The Lonely Island featuring American singer Akon and producer DJ Frank E.  It was released as the first single from The Lonely Island's second album, "Turtleneck & Chain", released in May 2011.  The video, featured as a "Saturday Night Live" digital short, stars Akon and The Lonely Island members Andy Samberg, Jorma Taccone and briefly, Akiva Schaffer, with guest appearances by Jessica Alba, Blake Lively and John McEnroe.

Dead and Gone: "Dead and Gone" is a song by American hip hop recording artist T.I., featuring American singer-songwriter Justin Timberlake.  It was released as the eighth single from T.I.'s sixth studio album, "Paper Trail" (2008).  Due to the high number of digital downloads upon the album's release, the song debuted on the "Billboard" Hot 100 before its official single release.  The song marked the second collaboration between T.I. and Justin Timberlake, the first being the hit single "My Love", from Timberlake's second album, "FutureSex/LoveSounds" (2006).  T.I. and Timberlake performed this song at the 51st Grammy Awards.  The song was later nominated twice at the 52nd Grammy Awards, for Best Rap/Sung Collaboration and Best Rap Song.  It was the 10th bestselling digital single of 2009 in the United States.  As of 2012, it had sold 3.1 million copies in the country.

Jizz in My Pants: "Jizz in My Pants" (known in the edited version as "J*** in My Pants") is a SNL Digital Short which aired on "Saturday Night Live" on December 6, 2008 and YouTube on the same day.  It serves as the music video for the first single from The Lonely Island's debut album, "Incredibad".  The video stars The Lonely Island members Andy Samberg, Jorma Taccone and, briefly, Akiva Schaffer, and also features guest appearances by Justin Timberlake (who had also appeared in "Dick in a Box"), Molly Sims and Jamie-Lynn Sigler.  "Jizz in My Pants" outviewed OK Go's popular treadmill music video, "Here It Goes Again", in less than six months.

Dick in a Box: "Dick in a Box" is the debut single by American comedy troupe The Lonely Island, featuring singer Justin Timberlake.  The song and music video debuted on "Saturday Night Live" as an "SNL" Digital Short on December 16, 2006.  The video depicts two early-1990s R&B ballad singers Andy (Andy Samberg) and Raif (Justin Timberlake) crooning a holiday song about making a gift for their girlfriends of their penises wrapped in boxes (strategically placed) topped with bows.

SNL Digital Short: An "SNL" Digital Short is one in a series of comedic and often musical video shorts created for NBC's "Saturday Night Live".  Generally produced and written by The Lonely Island (Jorma Taccone, Akiva Schaffer and Andy Samberg), the series was originated by Adam McKay, in collaboration with "SNL" hosts, writers, and cast members.  The segments were originally recorded with consumer grade digital video cameras and edited on personal computers.  It is usual for the episode's hosts and musical guests (the latter on rarer occasions) to take part in the episode's short, and several shorts have included celebrity cameos.

Rob Knox (producer-songwriter): Robin Tadross (born August 8, 1980), professionally known as Rob Knox, Is an American record producer and songwriter.  He is best known for working with artists including Justin Timberlake, Lil Wayne, T.I. , Rihanna, Britney Spears and Chris Brown.  Knox has produced singles including "Dead and Gone" by T.I and Justin Timberlake and "Love Sex Magic" by Ciara and Justin Timberlake.

Supporting paragraphs: The Lonely Island discography Dick in a Box
Answer: Dick in a Box