Question: Keith Justin Hetrick has worked with an American rapper who is best known for "Watch Me (Whip/Nae Nae), which reached what number on the Billboard Hot 100?
Context: Katrina Woolverton (born Katrina Abrahemian on August 19, 1977) is an American singer/songwriter and recording artist from Los Angeles, California.  She rose to fame in 2011 with the release of her debut album "In The Blink Of An Eye" that featured three top charting singles, "Shame on Me" (#1 on iHeartRadio Top 20 On Demand Adult Chart and #46 on the Billboard Hot AC Chart), "OPM" (#26 Billboard Hot Dance) and "So Eden" (Billboard Hot AC Top 50.)  Katrina was named iHeartRadio's "Artist to Watch in 2011" and was the opening act in the U.S. for Meatloaf during the Mad, Mad World Tour 2012.  In 2012 and 2013 she released two stand-alone singles, "Watch Me Walk Away" (#43 Billboard Hot AC) the only non-Woolverton composition she has recorded - originally penned by Katy Perry along with co-writers Charlie Midnight and Holly Knight; and "Ready To Love," collaborating with electropop producer/remixer Frankmusik (Vincent Frank) who has worked with Ellie Goulding ("Wish I Stayed"), and many others.  "Ready To Love" reached #33 on the Billboard Dance/Electronic Song Chart, and the #12 of the Billboard Dance Club Chart. The discography of Outkast, an American hip hop duo consisting of rappers André 3000 and Big Boi, consists of five studio albums, one compilation album, one soundtrack album, one video album, thirty-two singles (including eight as featured artists), three promotional singles and twenty-one music videos.  In 1992, Outkast became the first hip hop act to be signed to the label LaFace Records; with their first studio album "Southernplayalisticadillacmuzik" (1994) that debuted at number 20 on the US "Billboard" 200.  "Southernplayalisticadillacmuzik" spawned the commercially successful single "Player's Ball" that has reached at number 37 on the US "Billboard" Hot 100.  It was later certified gold by the Recording Industry Association of America (RIAA).  Their following two albums, "ATLiens" (1996) and "Aquemini" (1998), were commercially successful in the United States; both albums peaked at number two on the "Billboard" 200, and were certified double-platinum by the Recording Industry Association of America (RIAA).  Three singles were solicited from each album; all three from "ATLiens" charted on the "Billboard" Hot 100, with "Elevators (Me & You)" peaking at number 12, making it the most successful.  The lead single from "Aquemini", "Rosa Parks", peaked at number 55 on the "Billboard" Hot 100: two more singles, "Skew It on the Bar-B" and "Da Art of Storytellin' (Pt. 1)", were released from the album.  In 1998, Outkast collaborated with hip hop group Goodie Mob on the single "Black Ice (Sky High)" and rapper Cool Breeze on the single "Watch for the Hook"; both singles peaked at numbers 50 and 73 on the "Billboard" Hot 100, respectively. Promised Land is a 1975 album by American singer and musician Elvis Presley on RCA Records.  It was recorded in December 1973 at Stax Records studios in Memphis and released on Presley's 40th birthday in January, 1975.  The material was the second pick from the December 1973 session, as the songs considered strongest had been issued on "Good Times".  The title track, a cover of the 1965 hit by Chuck Berry, was issued earlier as a single on September 27, 1974, and hit number 14 on the Billboard Hot 100 and the UK top ten.  Its flip side, "It's Midnight", reached 9 on the Country Charts.  Another hit single from the album was "If You Talk in Your Sleep" reaching 17 on the "Billboard" Hot 100.  In the US the album only reached number 47 on the "Billboard" Top 200 chart but reached 1 in "Billboard"'s Top Country LPs chart.  The album also reached 1 in the Country Cashbox albums chart.  In the UK the album reached #21. American rapper Lil Wayne has released 200 singles – including 44 as a lead artist – and twelve promotional singles. Lil Wayne attained his first singles chart entry in 1999 as a featured artist on Hot Boys member Juvenile's single "Back That Azz Up", which peaked at number 19 on the United States "Billboard" Hot 100 and became a top ten hit on the Hot R&B/Hip-Hop Songs and Hot Rap Songs charts.  Wayne later released his debut solo studio album "Tha Block Is Hot" in November 1999.  Its title track and lead single, which features B.G. and Juvenile, reached number 65 on the "Billboard" Hot 100. " Lights Out" followed in December 2000 and produced the singles "Get Off the Corner", "Everything" and "Shine". " Way of Life", the lead single from Wayne's third studio album "500 Degreez", peaked at number 71 on the Hot 100 and became a top 20 hit on the Hot Rap Songs chart.  In 2004, Wayne was featured on the single "Soldier" by American girl group Destiny's Child, which became his first top ten hit on the Hot 100 and enjoyed commercial success internationally. "Watch Me (Whip/Nae Nae)" is the debut single by the American rapper Silentó.  In March 2015, he was signed to Capitol Records, which released the track as a single with an accompanying music video.  The song peaked at #3 on the "Billboard" Hot 100, where it has spent 6 non-consecutive weeks.  With a viral clip on YouTube, the song was popular for its dance, a combination of 2 popular moves cited in the title: the "Whip" and the "Nae Nae" as well as other hip hop dances from various songs "Crank That (Soulja Boy)" and "Stanky Legg". Right Back Where We Started From is the debut album by British R&B and soul music singer Maxine Nightingale The title track was first released as a single in the autumn of 1975 and reached #8 in the UK .  In the US it reached #5 in Adult Contemporary, #9 in Dance Music/Club Play, #46 in R&B singles and #2 in the Billboard Hot 100.  It was the success of this single to which prompted her to return to London to complete a Right Back Where We Started From album.  The album was released in the US early 1976 to enthusiastic reaction, reaching #65 on the Billboard Hot 100.  Another single from the album, “Gotta Be the One”, charted at #53 on the Billboard Hot 100. American rapper Birdman has released five studio albums (four as a solo artist, and one collaboration album with rapper Lil Wayne), two mixtapes, twenty-three music videos, forty-eight singles, including twenty-three as a featured artist, and seven promotional singles.  In 2002, Birdman released his debut studio album "Birdman" (also known under the title "Baby aka the #1 Stunna") under the recording name "Baby".  It peaked at number 24 on the US "Billboard" 200, spending 23 weeks on the chart.  Three singles were released from the album; the first, "Do That...", reached number 33 on the US "Billboard" Hot 100, and the second, "What Happened to That Boy", reached number 45 on the same chart.  The third single, "Baby You Can Do It", only charted on the US Hot R&B/Hip-Hop Singles Sales chart.  In 2003, Birdman collaborated with singer Ginuwine on the single "Hell Yeah" and rapper Bow Wow on the single "Let's Get Down", which reached numbers 17 and 14 respectively on the Hot 100. Keith Justin Hetrick is a Grammy-nominated songwriter and record producer currently based in Nashville, TN.  He has worked with notable artists such as Charlie Wilson, Boyz II Men, Snoop Dogg, Shaggy, T.I., Pitbull, Fifth Harmony, Cher Lloyd, Aston Merrygold, Silentó, The Jacksons, Ray Parker Jr., Teddy Riley, Paulina Rubio, Sophia Grace, Inna. The discography of Danity Kane, an American R&B group, consists of two studio album, five singles, and four music videos. Danity Kane were formed in 2005 during the third season of the reality television series "Making the Band", and consisted of Aubrey O'Day, Wanita "D. Woods" Woodgett, Shannon Bex, Dawn Richard, and Aundrea Fimbres.  The group disbanded in January 2009 during the fourth season of "Making the Band".  The group released their self titled debut album in August 2006.  The album reached number one on the United States "Billboard" 200 and was certified platinum by the Recording Industry Association of America (RIAA).  Danity Kane's debut single, "Show Stopper", which featured rapper Yung Joc, reached number eight on the U.S. "Billboard" Hot 100. " Ride for You", their second single, reached number 78 on the "Billboard" Hot 100. " Welcome to the Dollhouse", Danity Kane's second album, was released in March 2008.  It reached number one on the "Billboard" 200 and was certified gold by the RIAA.  The album's lead single, "Damaged", reached number ten on the "Billboard" Hot 100 and was certified platinum by the RIAA.  The group's fifth single, "Bad Girl", featured Missy Elliott and reached number 110 on the "Billboard" Hot 100. Ricky Lamar Hawk (born January 22, 1998), better known by his stage name Silentó, is an American rapper.  He is best known for his debut single "Watch Me (Whip/Nae Nae)", which reached number three on the "Billboard" Hot 100.
Answer: three