"Deja Vu" is a song by American rapper J. Cole, released on December 9, 2016 from his fourth studio album, "4 Your Eyez Only".
 It was released on January 10, 2017, as the first single off the album.
"Hey Daddy (Daddy's Home)" is a song by American R&B singer, Usher.
 The song is the first single in the United States from Usher's sixth studio album "Raymond v. Raymond", following the buzz single "Papers".
 The song was written by longtime Usher collaborator Rico Love, Usher, Plies and The Runners and it was also produced by the Love and The Runners.
 The remix version of the song, featuring Plies, was released to radio stations on December 8, 2009, and subsequently available for digital download on December 15, 2009.
 A second remix was released, featuring Jadakiss, on February 5, 2010 with a different beat that samples the 1997 hit by Lord Tariq and Peter Gunz, "Deja Vu (Uptown Baby)" (which in turn samples Steely Dan's "Black Cow").
"Deja Vu (Uptown Baby)" is a song by American hip hop duo Lord Tariq and Peter Gunz, released in December 1997, as the lead single from their debut album, "Make It Reign".
 The song, produced by KNS, was a huge success, being a hit in both the United States and Canada, peaking at #9 on the US Billboard Hot 100 and #6 on the Canadian Singles Chart.
 It was certified Platinum by the RIAA on March 31, 1998 for sales of a million copies.
 However, the duo's success would be short-lived, as they broke up in 1999 without releasing a follow-up album or single.
"Deja Vu" is a song by American R&B group En Vogue.
 It was written by Denzil Foster, Thomas McElroy, Terry Ellis, Cindy Herron and Rhona Bennett; produced by Foster & McElroy and released on April 4, 2016.
 The song is the group's first official single since its 2004 album, Soul Flower.
"Deja Vu" is a 2017 song by American singer Prince Royce, with Colombian singer Shakira.
 The song was released on February 24, 2017 as the fourth single taken from Royce's fifth studio album, "Five".
 The song was also included on Shakira's album "El Dorado".
"White Iverson" is the debut single by American rapper Post Malone.
 It was released on August 14, 2015, by Republic Records, as the lead single from his debut studio album, "Stoney".
 The track was produced by Post Malone and Rex Kudo.
 It peaked at number 14 on the "Billboard" Hot 100.
Deja Vu is the debut extended play (EP) by South Korean girl group Sonamoo.
 The album was released digitally and physically on December 29, 2014.
 The album contains six tracks with the lead single, "Deja Vu".
Deja Vu - It's '82 is the debut and only album by the hip-hop group Crusaders For Real Hip-Hop.
 Produced by Trenton, New Jersey-based producer Tony D, the album was released in March 17, 1992 on Profile Records.
 Two singles were released: "That's How It Is" and "We Love the Hotties".
"Deja Vu" is a song by American rapper Post Malone.
 It served as the fourth single from his debut studio album, "Stoney".
 The song features vocals from Canadian singer Justin Bieber and was released on September 8, 2016, by Republic Records.
 The song was produced by Frank Dukes and Vinylz.
Stoney is the debut studio album by American rapper Post Malone.
 It was released on December 9, 2016, by Republic Records.

Question: In what year was "Deja Vu", the fourth single from Post Malone's debut album, released?
Answer: 2016