Question: What song on the album No Protection was a No. 1 in the "Billboard" Hot 100 in April 1987?

full_context: Document 1: Stay (Shakespears Sister song): "Stay" is a song by UK based pop act Shakespears Sister, released by London Records in January 1992 as the second single from their album "Hormonally Yours". Upon release, the single became a global smash hit becoming the duo's first and only No. 1 single in numerous territories, including the UK, where it topped the UK Singles Chart for eight consecutive weeks; the longest UK No. 1 reign for any all-female band, and was the fourth biggest selling single of 1992. The single also held the No. 1 position in band member Siobhan Fahey's birthplace, Ireland, for six weeks, and it was a transatlantic hit reaching No. 4 on the "Billboard" Hot 100 in the US.
Document 2: Billy Steinberg: William Endfield "Billy" Steinberg (born February 26, 1950) is an American songwriter. He achieved his greatest success in the 1980s with songwriting partner Tom Kelly; together the two wrote or co-wrote the No. 1 hits "Like a Virgin" by Madonna (1984), "True Colors" by Cyndi Lauper (1986), "Eternal Flame" by the Bangles (1989), "So Emotional" by Whitney Houston (1987) and "Alone" (covered by Heart in 1987). They also wrote or co-wrote the hit songs "I Drove All Night" (recorded by various artists, 1987), "I Touch Myself" by Divinyls (1990), and "I'll Stand By You" by The Pretenders (1994).
Document 3: Software (album): Software is Grace Slick's 1984 album released by RCA Records. This album was recorded after she had re-joined Jefferson Starship. After working on this album, Peter Wolf would go on to contribute to Jefferson Starship's 1984 album, "Nuclear Furniture". A music video was made for the single "All the Machines". "Software" is Grace Slick's fourth and final solo album.
Document 4: No Protection (Starship album): No Protection (1987) is the second album by Starship. The album featured the hit single "Nothing's Gonna Stop Us Now", and the Top 10 hit "It's Not Over ('Til It's Over)", the former of which was included on the soundtrack of the fantasy comedy movie "Mannequin" and the latter of which was a tune originally performed the previous year by one-time Manfred Mann's Earth Band frontman Chris Thompson for "Playing for Keeps" soundtrack. This was the last album to be produced for Grunt Records, and the final Starship album to feature Grace Slick on vocals; she left Starship in 1988 and rejoined Jefferson Airplane for their reunion tour and self-titled reunion album, "Jefferson Airplane" in 1989. The Diane Warren-penned ballad "Set the Night to Music" would become a hit four years later in 1991, as a duet between R&B legend Roberta Flack and reggae singer Maxi Priest, as released from Flack's album "Set the Night to Music".
Document 5: Bustin' Loose (Roberta Flack album): Bustin' Loose is a soundtrack album released by Roberta Flack in 1981. It was recorded for the movie of the same title starring Richard Pryor. Luther Vandross and Peabo Bryson contributed vocals to the album and Vandross wrote the song, "You Stopped Loving Me", which he later performed himself on his debut album "Never Too Much".
Document 6: Freedom at Point Zero: Freedom at Point Zero is a 1979 album by Jefferson Starship. It was the first album for new lead singer Mickey Thomas, and the first after both Marty Balin and Grace Slick left the prior year (Slick rejoined the band for their next album "Modern Times" in 1981). Aynsley Dunbar plays drums on this album; he had left Journey the previous year. The album cover was shot on location in the San Francisco Bay on board the  .
Document 7: Don't Stop (Fleetwood Mac song): "Don't Stop" is a song by the British-American rock band Fleetwood Mac, written by vocalist and keyboard player Christine McVie. Sung by guitarist Lindsey Buckingham and McVie, it was a single taken from the band's 1977 hit album, "Rumours". It is one of the band's most enduring hits, peaking at No. 3 on the "Billboard" singles chart. In the UK market, "Don't Stop" followed "Go Your Own Way" as the second single from "Rumours" and peaked at No. 32. In the US, it was the third single released, and peaked at No. 3 in October 1977.
Document 8: The One That You Love: "The One That You Love" is a popular song written by Graham Russell and sung by Australian soft rock duo Air Supply from their sixth studio album of the same name. This song reached number one in the United States in 1981. It topped the "Billboard" Hot 100 chart on July 25, 1981, and remained there for one week, becoming the band's only number one hit. In Canada, it knocked the Stars on 45 medley off the top spot and stayed there for five weeks.
Document 9: Grace Slick: Grace Barnett Slick (born October 30, 1939) is an American singer-songwriter, musician, artist, and former model, widely known in rock and roll history for her role in San Francisco's burgeoning psychedelic music scene in the mid–1960s. Her music career spanned four decades, and involved the Great Society, Jefferson Airplane, Jefferson Starship, and Starship, as well as a sporadic solo career. Slick provided vocals on a number of iconic songs, including "Somebody to Love", "White Rabbit", "We Built This City" and "Nothing's Gonna Stop Us Now".
Document 10: Nuclear Furniture: Nuclear Furniture is an album by the American rock band Jefferson Starship. It was the last album released by the band until 1998's "Windows of Heaven", and was also the final album by the band before the departure of leader Paul Kantner and the formation of the offshoot band Starship. It was released in 1984 and spawned the Top 40 single "No Way Out", which was also the first single by any incarnation of the band to hit #1 on the Mainstream Rock Tracks chart. The album itself reached #28. Produced by Ron Nevison, the album was arranged with the help of Peter Wolf, who had worked with Grace Slick on her solo album, "Software". Wolf also contributed keyboard and synthesizer work to the album, although not an official part of the band. Peter Wolf (not the singer of the same name) and Ina Wolf also wrote the single "No Way Out", the first of many songs penned by the husband and wife duo that took "Starship" in a more commercial direction. As the album was being recorded, Paul Kantner became frustrated with the album's direction. Before the sessions came to a close, he stole the master tapes, put them in his car and drove around San Francisco for a few days and wouldn't bring them back until the band mixed the album in a way more to his liking. Shortly after the release of the album, Kantner left the band, and he only appears in the first promotional video produced, "No Way Out." After the departure of Kantner the band lost the "Jefferson" moniker and morphed into Starship; there would not be another studio album released under the Jefferson Starship name until after Kantner reformed the band in 1992.
Document 11: Nothing's Gonna Stop Us Now: "Nothing's Gonna Stop Us Now" is a 1987 song co-written by Albert Hammond and Diane Warren, recorded by the American rock band Starship in 1986. It is a duet featuring Starship vocalists Grace Slick and Mickey Thomas. Featured as the theme to the romantic comedy film "Mannequin", it hit No. 1 in the "Billboard" Hot 100 on April 4, 1987 and reached No. 1 on the UK Singles Chart for four weeks the following month and became the UK's 2nd biggest selling single of 1987. The song also reached the top 10 in six European countries. The single became the first number one single by songwriter Diane Warren. At the time, it made Grace Slick (aged 47) the oldest woman to have a number one single in the United States though the record was later broken by Cher's "Believe" in 1999 (aged 52).
Document 12: Modern Times (Jefferson Starship album): Modern Times is a 1981 album by Jefferson Starship. Grace Slick appeared on this album after a three-year absence. She returned near the end of the recording sessions, providing background vocals on some tracks as well as lead vocals on the single "Stranger" as a duet with lead singer Mickey Thomas. Although not appearing in the band picture on the gatefold cover, she is listed on the back cover of the LP with the credit "Introducing Grace Slick" and her picture is on the lyric sleeve with the note "Grace Slick courtesy of Grace Slick." She joined the band officially for the 1981 tour. MTV debuted in 1981 and this was the first Jefferson Starship album to have promotional music videos. It was also the first album to feature a charting single on the Mainstream Rock Tracks chart, which had premiered earlier in the year. The single "Find Your Way Back" reached #3 on the Mainstream Rock chart.
Document 13: The Best of Grace Slick: The Best of Grace Slick is a compilation album of Grace Slick's work, focusing mostly on work with Jefferson Airplane, Jefferson Starship and Starship. There are three tracks that are from her solo albums, although no tracks appear from "Dreams" (1980).
Document 14: We'll Never Have to Say Goodbye Again: "We'll Never Have to Say Goodbye Again" is a song by Jeffrey Comanor from the album "A Rumor in His Own Time", which debuted in September 1976. Written by Comanor, the song describes a couple who spend a night together, one which the narrator wishes would "never end". Both the song, which Epic Records released as a single, and album failed to chart. Discovered four months later by Arista Records President Clive Davis, "We'll Never Have to Say Goodbye Again" was covered by soft rock duo Deardorff & Joseph for their eponymous debut album, released on Arista. After Deardorff & Joseph disbanded, Marcia Day, who managed Maureen McGovern, became the manager of Deardorff, while Susan Joseph, who managed England Dan & John Ford Coley, became the manager of Joseph. Both McGovern and England Dan & John Ford Coley released covers of "We'll Never Have to Say Goodbye Again" in February 1978; while McGovern's failed to chart, Dan & Coley's spent six weeks at number one on the "Billboard" US Easy Listening chart, reached number two on the "RPM" Canada Adult Contemporary chart, and went to numbers nine and eleven on the magazines' respective overall charts.
Document 15: Sara (Starship song): "Sara" is a 1985 song recorded by the American rock band Starship which reached number-one on the U.S. "Billboard" Hot 100 chart on March 15, 1986. It was sung only by Mickey Thomas, of the newly renamed band Starship, from their first album "Knee Deep in the Hoopla"; for this single, Grace Slick only provided the backing vocals.
ground_truth: Nothing's Gonna Stop Us Now