Question: In what year was the number one single from Rihanna that was featured on Now That's What I Call Music! 38 released?
Context: Now That's What I Call Music!  38 was released on May 3, 2011.  The album is the 38th edition of the "Now! " series in the United States.  The album features six tracks that reached number one on the "Billboard" Hot 100: "Born This Way", "S&M", "Hold It Against Me", "Grenade", "E.T." and "Rolling in the Deep". "S&M" is a song by Barbadian singer Rihanna from her fifth studio album, "Loud" (2010).  The song was released on January 21, 2011, as the fourth single from the album.  The American songwriter Ester Dean wrote "S&M" in collaboration with the producers Stargate and Sandy Vee.  Backed by bass beats, a keyboard and guitars, it is an uptempo hi-NRG-Eurodance track with lyrics that revolve around sexual intercourse, sadomasochism, bondage, and fetishes. English electronic music group Clean Bandit have released one studio album, three extended plays, seven singles (including one as a featured artist) and eleven music videos.  In December 2012, the group released their debut single "A+E", which peaked at number 100 on the UK Singles Chart.  The song is the lead single from their debut album, "New Eyes", which was released in May 2014.  The album's second single, "Mozart's House", charted at number seventeen on the UK Singles Chart, becoming Clean Bandit's first top twenty single on the chart. " Dust Clears" was released as the third single from the album, reaching number forty-three on the UK chart.  The album's fourth single, "Rather Be", features Jess Glynne and topped the UK Singles Chart, the group's first number one on the chart.  Their 2016 single "Rockabye", which features rapper Sean Paul and singer Anne-Marie, became their second number-one hit in the UK, becoming the Christmas number one single for 2016 in its seventh consecutive week at number-one.  The follow-up to "Rockabye", "Symphony", featured Zara Larsson and became their third UK number one single. Gran City Pop (English: Great City Pop ) is the ninth studio album by Mexican singer Paulina Rubio released by Universal Music Group on June 23, 2009.  The album's first single "Causa y Efecto" became Rubio's first number one single on the "Billboard" Hot Latin Songs chart since "Ni Una Sola Palabra" in 2006.  It was also Rubio's fourth number one single in her career on "Billboard"'s Hot Latin Songs and her 3rd consecutive album to come out with a number one single on the Hot Latin Songs chart. Where It's At is the second studio album by American country music artist Dustin Lynch.  It was released on September 9, 2014 by Broken Bow Records.  Mickey Jack Cones produced 12 of the 15 songs with Brett Beavers and Luke Wooten co-producing 3 of the 15.  Lynch co-wrote five of the album's fifteen tracks.  The album's first single, "Where It's At (Yep, Yep)", was released to country radio on March 31, 2014 and became his first number one single on the Country Airplay chart.  The album's second single, "Hell of a Night", was released to country radio on November 3, 2014.  and became his second number one single on the Country Airplay chart.  The album's third single, "Mind Reader", was released to country radio on September 28, 2015, and became his third number one single on the Country Airplay chart. "One Call Away" is a song by American rapper Chingy.  It's the third and final single off his debut album "Jackpot" (2003).  It features singer J-Weav singing the chorus.  The song was kept from being number one by Usher's "Yeah! " for five consecutive weeks, peaking at number two on the US "Billboard" Hot 100.  It became a number one hit on the Hot Rap Songs chart for three weeks and peaked at numbers 3 and 6 on the Hot R&B/Hip-Hop Songs and Mainstream Top 40 charts respectively.  It also reached the top 40 in countries like Australia, Ireland, New Zealand and the UK.  A video for the single (directed by Erik White) was released that featured actress Keisha Knight-Pulliam and streetball player Philip "Hot Sauce" Champion.  The radio version of the song was featured on the 2004 compilation album "Now That's What I Call Music!  16". St Winifred's School Choir, from St Winifred's Roman Catholic Primary School in Stockport, England, was a choir of children whose single in 1980 became that year's British Christmas number one single.  Entitled "There's No One Quite Like Grandma", written for the 80th birthday of Queen Elizabeth, the Queen Mother in 1980 by Gordon Lorenz, it became that year's British Christmas number one single.  It sold one million copies, most of them Christmas presents from grandchildren.  It spent two weeks at number one, and 11 weeks in the UK Singles Chart in total.  Dawn Ralph provided the lead vocal of the song composed by award-winning record producer Gordon Lorenz.  During the late 1970s and the 1980s, Miss Terri Foley trained and conducted the choir, who gave the Music for Pleasure record label its only UK No. 1 single. "I Run to You" is a song recorded by American country music group Lady Antebellum.  It was released on January 26, 2009, as the third and final single from the group's self-titled debut album.  Hillary Scott, Charles Kelley and Dave Haywood, who comprise Lady Antebellum, co-wrote the song with Tom Douglas.  "I Run to You" is the group's first Number One single, reaching that peak in July 2009.  The song appears on "Now That's What I Call Country Volume 2" and "Now That's What I Call Music 31". Now That's What I Call Music 3 or Now 3 was released in 1984 in the United Kingdom on vinyl record and audio cassette.  The album is the third edition of the "Now! " series in the UK.  It was the first in the series to debut at number one in the UK Albums Chart as the previous two had debuted at lower numbers before each climbing to number one.  It stayed at the top for eight weeks, the longest run for any "Now" album on the chart until the Compilations Chart was created in 1989.  It was the 300th album to reach number one in the chart's history.  It was also the first in the series to be released with the familiar 'NOW' logo of red, blue and green circles, with a yellow streak that carries the 'That's What I Cal Music' portion of the title, the last being "Now 17" in 1990 but it all ready omits the yellow streak, the last album to feature that would be "Now 16" in 1989. "Respectable" is a Mel and Kim song written and produced by Stock/Aitken/Waterman that became a UK number one single for one week in March 1987.  It was the second UK number one single produced by Stock/Aitken/Waterman, following Dead or Alive's "You Spin Me Round (Like a Record)" in 1985, and the first UK number one single that Stock/Aitken/Waterman had written themselves.  The single also topped the charts in Germany, Switzerland, the Netherlands, Belgium, Finland, Australia and New Zealand in 1987.
Answer: January 21, 2011