Question: The song appearing in the EP, Gold Skies, that reached 21 on "Billboard" was released in what year?

<P0-S0> American rock band Breaking Benjamin has released five studio albums, one compilation album, three extended plays, sixteen singles and ten music videos. <P0-S1>  The group has sold over 7 million units in the United States alone, with three platinum records, two gold records, two multi-platinum singles, two platinum singles, and five gold singles as designated by the RIAA. <P0-S2>  The band signed with Hollywood Records in 2002 following the success of their independently-released eponymous EP, and began recording their first full-length major-label debut "Saturate" shortly thereafter. <P0-S3>  The record peaked at No. 2 on the "Billboard" Heatseekers chart and No. 136 on the "Billboard" 200 chart. <P0-S4>  It was certified gold more than thirteen years later. <P0-S5>  The band's sophomore effort, "We Are Not Alone", released in 2004, peaked at No. 20 on the "Billboard" 200, and was later certified platinum in the United States and gold in New Zealand. <P0-S6>  Breaking Benjamin's third studio album "Phobia" was released in 2006 and reached No. 2 on the "Billboard" 200 chart, No. 1 on the Digital Albums chart, No. 1 on the Rock Albums chart, and was certified platinum nearly three years after its release. <P0-S7>  Breaking Benjamin released their fourth record in late 2009 titled "Dear Agony", reaching No. 1 on the Hard Rock Albums and Modern Rock/Alternative Albums charts, No. 2 on the Rock Albums and Digital Albums charts, and No. 4 on the "Billboard" 200. <P0-S8>  The record was certified gold three months after its release and was eventually certified platinum seven years later. <SEP> <P1-S0> Gold Skies is the debut extended play (EP) by Dutch DJ and record producer Martin Garrix. <P1-S1>  It was released as a digital download on 8 July 2014 on iTunes in North American countries. <P1-S2>  The EP includes the singles "Animals", "Wizard", "Tremor", "Gold Skies" and "Proxy". <SEP> <P2-S0> "Animals" is a song by Dutch DJ and record producer Martin Garrix, released as a digital download on 17 June 2013 on iTunes. <P2-S1>  The song quickly became popular within the EDM culture, leading to Garrix becoming the youngest producer to ever have a song reach number one on the electronic music store Beatport. <P2-S2>  The track was a commercial success, reaching the top ten or topping on a number of electronic music charts, topping singles charts in the United Kingdom and Belgium, and reached number 21 on the United States' "Billboard" Hot 100. <SEP> <P3-S0> Look Forward to Failure is an EP released on November 10, 1998 by The Ataris on Fat Wreck Chords. <P3-S1>  This was the first album released to feature the fan favorite "San Dimas High School Football Rules". <P3-S2>  That song later appeared on "Blue Skies, Broken Hearts...Next 12 Exits". <P3-S3>  The band also intended on putting the song "That Special Girl" on "Blue Skies, Broken Hearts" as well but it didn't make the cut. <P3-S4>  The song features Mark Hoppus of Blink-182 on backing vocals. <P3-S5>  The version of "My Hotel Year" that appears on this EP is the electric version and contains an extra verse at the end. <P3-S6>  The version that ended up on "Blue Skies" was acoustic and shortened.