question: Who was the singer that is referred to as "The Queen of Christian Pop" and sang a duet with Peter Cetera on the song "The Next Time I Fall"?
answer: Amy Grant
context: Title: The Next Time I Fall
  Passage: "The Next Time I Fall" is a song written by Bobby Caldwell and Paul Gordon and recorded as a duet by Peter Cetera and Amy Grant for his 1986 album "Solitude/Solitaire".  It reached number one on "Billboard" magazine's Hot 100 and Adult Contemporary chart and was nominated for a Grammy Award for Best Pop Performance by a Duo or Group with Vocals.
  Title: Glory of Love
  Passage: "Glory of Love" is a 1986 song by Peter Cetera written and composed by Cetera, David Foster, and Cetera's then-wife Diane Nini, and recorded by Cetera shortly after he left the band Chicago to pursue a solo career.  Featured in the 1986 film "The Karate Kid Part II", it was Cetera's first hit single after he left the team, reaching number one on the "Billboard" Hot 100, and it was included on his 1986 album, "Solitude/Solitaire", which Michael Omartian produced. <ref name="Solitude/SolitaireCD"> </ref> (Cetera released this album to coincide with the theatrical release of "The Karate Kid Part II".)
  Title: You're the Inspiration
  Passage: "You're the Inspiration" is a song written by Peter Cetera and David Foster for the group Chicago and recorded for their album "Chicago 17" (1984), with Cetera singing lead vocals.  The third single released from that album, it reached number 3 on the US "Billboard" Hot 100 chart in January 1985, and also climbed to the top position on the adult contemporary chart at the same time.  Peter Cetera re-recorded the song for his 1997 solo album "".  That same year he also recorded a single version with the vocal R&B group, Az Yet.
  Title: Amy Grant
  Passage: Amy Lee Grant (born November 25, 1960) is an American singer, songwriter, musician, author and media personality.  She is known for performing contemporary Christian music (CCM) and for a successful crossover to pop music in the 1980s and 1990s.  She has been referred to as "The Queen of Christian Pop".
citations: Amy Grant The Next Time I Fall