Question: What single was popularized by Ronan Keating in 1999? 
Context: Storm Keating (born 27 October 1981) is an Australian-born fashion designer, brand ambassador, producer-director and blogger, now based in London.  Keating has worked on a number of Australian and British television programmes such as "The Apprentice Australia", "Masterchef Australia", "The X Factor", "The Voice Australia", and "The Voice UK".  She is the wife of Ronan Keating. Ronan Patrick John Keating (born 3 March 1977) is an Irish recording artist, singer, musician, and philanthropist.  He debuted in 1994 alongside Keith Duffy, Michael Graham, Shane Lynch, and Stephen Gately, as the lead singer of Irish group Boyzone.  His solo career started in 1999 and has recorded nine albums.  He gained worldwide attention when his single "When You Say Nothing at All" was featured in the film "Notting Hill" and peaked at number one in several countries.  As a solo artist, he has sold over 20 million records worldwide alongside the 25 million records with Boyzone, and in Australia, he is best known as a judge on "The X Factor" from 2010 until 2014 and a coach on "The Voice" in 2016.  Keating is active in charity work and has been a charity campaigner for the Marie Keating Foundation, which raises awareness for breast cancer and is named after his mother who died from the disease in 1998. 10 Years of Hits is the first compilation album released by Boyzone frontman, Ronan Keating.  The album was released on 11 October 2004, and included all of Keating's singles to date, plus three new singles, two previously unreleased tracks, and the B-side "This Is Your Song".  The album peaked at number one on the UK Albums Chart, becoming the third out of four of Keating's albums to do so.  In 2010, an anniversary edition of the album was issued in Australia containing further singles that were released after the original release of the album and was certified 4x Platinum in Australia in 2016. "Lost for Words" is the first single released from Irish singer/songwriter Ronan Keating's third studio album, "Turn It On".  The single peaked at #9 on the UK Singles Chart.  The song was written by Wayne Hector, Ronan Keating and David Frank, and was released on November 10, 2003. Stephen Patrick David Gately (17 March 197610 October 2009) was an Irish pop singer-songwriter, actor, children's writer and dancer, who, with Ronan Keating, was one of two lead singers of the pop group Boyzone.  Gately and Keating originally served as co-frontmen, but Keating gradually became more synonymous with the group as time went on.  All of Boyzone's studio albums hit number one in the United Kingdom, their third being their most successful internationally.  With Boyzone, Gately had a record-breaking sixteen consecutive singles enter the top five of the UK Singles Chart.  He performed for millions of fans globally.  He released a solo album in 2000, after the group's initial break-up, which charted in the UK top ten and yielded three UK hit singles, including the top three hit "New Beginning".  Gately went on to appear variously in stage productions and on television programmes as well as contributing songs to various projects.  In 2008, he rejoined his colleagues as Boyzone reformed for a series of concerts and recordings. "When You Say Nothing at All" is a country song written by Paul Overstreet and Don Schlitz.  It is among the best-known hit songs for three different performers: Keith Whitley, who took it to the top of the Billboard Hot Country Singles chart on December 24, 1988; Alison Krauss, whose version was her first solo top-10 country hit in 1995; and Irish pop singer Ronan Keating, whose version was his first solo single and a chart-topper in the United Kingdom and Ireland in 1999. "Lovin' Each Day" is the fourth and final single released from Boyzone frontman Ronan Keating's debut solo album, "Ronan".  The song was written by Gregg Alexander and Rick Nowels.  The song was only included on the re-release of the album, before appearing on Keating's second album, "Destination".  The single was released on April 16, 2001, peaking at #2 on the UK Singles Chart.  Sales of the song increased when it was used as the theme for Sky Sports' Ford Super Sunday coverage in 2001.  In 2002, the song was used in a Busch Entertainment advertising campaign for the chain's two Busch Gardens parks. "The Way You Make Me Feel" is a song by Irish singer-songwriter and Boyzone frontman Ronan Keating from his debut solo album, "Ronan".  It was released as the third single from the album on January 15, 2001.  The song peaked at number six on the UK Singles Chart.  The song was written by English songwriter Phil Thornalley and Canadian singer-songwriter Bryan Adams.  In 2004 the song was re-recorded for Keating's greatest hits album, "10 Years of Hits" featuring vocals from Adams. "The Long Goodbye" is a song written by Irish singer-songwriters Paul Brady and Ronan Keating for Brady's 2000 album "Oh What a World".  In 2001, it was covered by country music duo Brooks & Dunn for their album "Steers & Stripes".  Ronan Keating released his version in April 2003 as the last single from his album "Destination" (2002). "This is Your Song" is a song written by Irish singer-songwriter Ronan Keating and Steve Mac, released as the second single from his fifth studio album, "Songs for My Mother".  The song previously made appearances as the B-side to "When You Say Nothing at All", and "I Hope You Dance", and inclusion on the albums "Turn It On" and "10 Years of Hits".  Keating made the decision to release the track as its own single on May 17, 2009, only be available as a download.
Answer: "When You Say Nothing at All"