Question: When did one of Melanie Brown's co-members start her solo career?

Context paragraphs:
Danielle and Jennifer: Danielle and Jennifer is an American acting, singer-songwriter sister duo consisting of Danielle Melanie Brown and Jennifer Michelle Brown.  Danielle (born 1991) plays keyboard, cajon, ukulele, vocals.  Jennifer (born 1995) plays guitar, cajon, ukulele, vocals.

Dancing with the Stars (Australian season 13): The thirteenth season of "Dancing with the Stars Australia" premiered live on 1 October 2013.  Daniel MacPherson continued his role as main host of the show on Channel Seven.  However, Melanie Brown had announced she wouldn't be returning for her second season as co-host, in order to pursue a judging role on "America's Got Talent". " Sunrise" weather presenter, Edwina Bartholomew permanently replaced Brown for this season.

Melanie C discography: The discography of Melanie C, an English pop music singer, consists of seven studio albums, one extended play, three DVDs, 31 singles and 29 music videos. Melanie C began her solo career in late 1998 by singing with Canadian rock singer Bryan Adams on the song "When You're Gone".  Melanie C's solo debut album "Northern Star" was released in 1999 and reached number three on the UK Albums Chart and was certified triple Platinum by the British Phonographic Industry (BPI).  The record experienced international success; it sold over 4 million albums worldwide.  It produced four top fives and a top twenty single, two of which reached the number-one spot in the UK.  Chisholm's second album, "Reason", was released in March 2003 and sold more 500,000 copies.  The album reached number five in the UK and produced one top ten and one top twenty single.

Spice Girls discography: English girl group Spice Girls has released three studio albums, one compilation album, 11 singles and 18 music videos. Formed in 1994, the group was made up of singers Victoria Beckham ("Posh Spice"), Geri Halliwell ("Ginger Spice"), Emma Bunton ("Baby Spice"), Melanie Brown ("Scary Spice") and Melanie Chisholm ("Sporty Spice").

Melanie C: Melanie Jayne Chisholm (born 12 January 1974), better known as Melanie C or Mel C, is an English singer, songwriter, entrepreneur, actress and television personality.  She is one of the five members of the Spice Girls, in which she was nicknamed Sporty Spice and with whom she sold over 85 million records worldwide.  Melanie C began her solo career in late 1998 by singing with Canadian rock singer Bryan Adams on the song "When You're Gone".  Her solo debut album "Northern Star" was released in 1999 and reached number four on the UK Albums Chart and was certified triple Platinum by the British Phonographic Industry (BPI).  It produced four top fives and a top twenty single, two of which reached the number-one spot in the UK.  Chisholm's second album, "Reason", was released in March 2003 and sold more than 500,000 copies.  The album reached number five in the UK and produced one top ten, one top twenty and a double A sided top thirty single.

Are You Gonna Go My Way (song): "Are You Gonna Go My Way" is the first single to be released by Lenny Kravitz from the album "Are You Gonna Go My Way".  It was released in February 1993.  It was written by Lenny Kravitz and Craig Ross.  The single has been covered by numerous artists, such as Metallica, in a medley for "MTV Hits" at the 2003 MTV Music Video Awards, Tom Jones for the "Jerky Boys OST", Robbie Williams on Jones' 1999 album "Reload" and Melanie Brown in her solo section, on the Spice Girls Reunion Tour.  Serbian hard rock band Cactus Jack recorded a version on their live cover album "DisCover" in 2002.  A remixed version is played as the opening theme song in "Gran Turismo 3".  Adam Lambert covered the song in November 2012 in his swing through South Africa.  The song was featured in one episode of Fox animated series "The Simpsons".  It was also featured in the music video game "Guitar Hero World Tour".

Today (Mel B song): "Today" is a song by British singer-songwriter Melanie Brown.  The song was written by Brown and produced by Kevin Malpass.  It was the first and only single released from her second solo album, "L.A. State of Mind".  Released on 13 June 2005 in the United Kingdom, it entered and peaked at #41, charting for only one week.  The music video was directed by Mark McConnell and filmed in Los Angeles, California.  To promote the single, Brown performed the song on "GMTV".

Spice Girls: The Spice Girls were an English pop girl group formed in 1994.  The group originally consisted of Melanie Brown ("Scary Spice"), Melanie Chisholm ("Sporty Spice"), Emma Bunton ("Baby Spice"), Geri Halliwell ("Ginger Spice"), and Victoria Beckham, née Adams ("Posh Spice").  They were signed to Virgin Records and released their debut single "Wannabe" in 1996, which hit number one in 37 countries and established them as a global phenomenon.  Their debut album "Spice" sold more than 31 million copies worldwide, becoming the best-selling album by a female group in history.  Their follow-up album "Spiceworld" sold over 20 million copies worldwide.  The Spice Girls have sold 85 million records worldwide, making them the best-selling female group of all time, one of the best-selling pop groups of all time, and the biggest British pop phenomenon since Beatlemania.  Among the highest profile acts in 1990s British popular culture, "Time" called them "arguably the most recognisable face" of Cool Britannia, the mid-1990s celebration of youth culture in the UK.

L.A. State of Mind: L.A. State of Mind is the second studio album by English singer Mel B, who is credited with her full name, Melanie Brown.  The only single released from the album was "Today", for which Brown completed a two-week promotional tour in the United Kingdom.  The single entered and peaked at number forty-one.

Lullaby (Mel B song): "Lullaby" is a song by Melanie B, which was released as final single from her debut solo album, "Hot".  It was released on 4 June 2001 and peaked at #13 in the UK Singles Chart, selling around 38,898 copies.  The music video and single cover feature her daughter Phoenix Chi Gulzar.  The song was co-written by Melanie Brown, Richard Stannard, Julian Gallagher and Richard Norris.  Brown performed the song live on "" and "Live & Kicking" to promote the single release.

Supporting paragraphs: Spice Girls Melanie C
Answer: 1998