Question: The founder of Summerland Tour was born on what date?

Context paragraphs:
OG Ron C: Ronald Rummell Coleman (born August 19, 1973), better known for his stage name OG Ron C, is an American record producer, radio personality, DJ, and entertainment and management company executive, who currently signed to OVO Sound and is also an on-air DJ for KQBT 93.7 The Beat.  He is the owner of the Houston-based urban music online radio station ChopNotSlop Radio, former DJ of Southern rappers Chamillionaire and Slim Thug.  Along with Michael 5000 Watts, he co-founded Swishahouse Records and helped jump-start the careers of Slim Thug, Chamillionaire, Paul Wall and Mike Jones.  The leader and founder of The Chopstars.  He is most known for his F-Action (Fuck Action) Series Mixtape which features R&B songs Chopped and Screwed and to date has over 4,200 mixtapes and albums, both at regular speed and chopped and screwed speed.  He has sold over 22,000,000 mixtapes and albums to date.  He also is the founder of Chopnotslop Radio a 24-hour "Screwed" Radio station dedicated to DJ Screw.

Summerland Tour: Summerland Tour is an annual touring rock and roll festival, founded by Art Alexakis of Everclear and featuring mainly American bands that were most successful in the alternative rock era of the 1990s.

Art Alexakis: Arthur Paul "Art" Alexakis (born April 12, 1962) is an American musician best known as the singer, composer, and guitarist of the rock band Everclear.  He has been a member of several notable bands, in addition to his own work as a songwriter for other artists.  Alexakis founded several record labels throughout his career, and worked as an A&R representative for major record labels, between and during his own musical projects.  Later he became a political activist, and lobbied for special concerns which included drug awareness policies, and support of the families of the military.  Along with the band Everclear, he performed for soldiers stationed in Cuba.  His political involvement continued to expand, and Alexakis campaigned for the bid of former candidate John Kerry for the position of President of the United States.

Battle Born World Tour: The Battle Born World Tour is the fourth major concert tour by American rock band The Killers, in support of their fourth studio album "Battle Born", which was released in September 2012.  The tour included the band's biggest show to date at Wembley Stadium.  It also saw them visit new territories including Russia, Ukraine, China and South East Asia.  The tour was the 43rd highest grossing worldwide during 2013.

Born in the U.S.A. Tour: The Born in the U.S.A. Tour was the supporting concert tour of Bruce Springsteen's "Born in the U.S.A." album.  It was his longest and most successful tour to date.  It featured a physically transformed Springsteen; after two years of bodybuilding, the singer had bulked up considerably.  The tour was the first since the 1974 portions of the Born to Run tours without guitarist Steven Van Zandt, who decided to go solo after recording the album with the group.  Van Zandt, who was replaced by Nils Lofgren, would appear a few times throughout the tour and in some of the music videos to promote the album.  It was also the first tour to feature Springsteen's future wife, Patti Scialfa.

Stop the Bleeding (Sponge album): Stop the Bleeding is the seventh studio album by the alternative rock band Sponge.  It was released in 2013 on Three One Three Records.  This album features the five songs previously released on Sponge's 2010 EP "Destroy the Boy".  These five songs are "Dare to Breathe", "Destroy the Boy", "Come In from the Rain", "Star", and "Before the End", however these songs appear in a different order than they did on "Destroy the Boy".  Also on this album Sponge does their own rendition on a classic Jim Croce song "Time in a Bottle".  This album was first only sold at Summerland Tour show, but the national release was on September 17 and now can be found everywhere.

Ryan Cassata: Ryan Otto Cassata (born December 13, 1993) is an American musician, public speaker, writer, filmmaker, and actor.  Cassata speaks at high schools and universities on the subject of Gender Dysphoria, being transgender, bullying and his personal transition from female to male, including a double mastectomy surgery in January 2012, when he was 18 years old.  He currently resides in San Francisco.  He has made appearances on the Larry King Live Show & The Tyra Banks Show to talk about being transgender.  He has performed at LGBT music festivals and has gone on tours across the United States of America.  Cassata has performed at popular music venues such as Whisky a Go Go, The Saint, The Bitter End, SideWalk Cafe, and Bowery Poetry Club.  Cassata won a date on Warped Tour 2013 through the Ernie Ball Battle of the Bands online competition and performed on the Acoustic Basement Stage on June 21, 2013.  Cassata also won a date on Warped Tour 2015 through the Ernie Ball Battle of the Bands and performed on the Ernie Ball Stage on June 20, 2015.

Uwajima Domain: The Uwajima Domain (宇和島藩 , Uwajima-han ) was a feudal domain in Iyo Province of Japan (present-day Ehime Prefecture) during the Edo period.  It was ruled from 1608 to 1613 by the Tomita clan.  After a brief period as Tokugawa-controlled "tenryō" territory, the domain passed into the hands of the Date clan.  The founder was Date Hidemune (1591–1658), first-born son of Date Masamune (1567–1636).  Date Hidemune could not inherit his father's position as head of the main Date clan because he was born by a concubine, so arrangements were made for Hidemune to hold this han, starting in 1615, at a far distance from the main Date clan holdings in northern Japan.

Kenny Sabir: Kenneth Spencer Sabir (born ca. 1975), who performs as Traksewt, is an Australian musician, computer programmer, record label founder and event organiser.  In 1998 Sabir co-founded an independent record label, Elefant Traks.  In 2001, with his fellow label owners, he was an original member of hip-hop band, The Herd and is their producer.  As of August 2011, The Herd have released five studio albums including "Summerland" (2008) which peaked at No. 7 on the ARIA Albums Chart and "Future Shade" (2011) which reached the top 30.

Mayhem Festival: The Mayhem Festival was a touring heavy metal festival that took place during the summer.  The inaugural season took place in 2008; the festival has since become an annual event across the United States.  Most years also include a single date in either Montreal or Toronto, Canada.  The tour has been sponsored by the Rockstar Energy Company since the time of its inception.  It was assembled by Vans Warped Tour founder Kevin Lyman, and by John Reese (who was Lyman's partner on the Taste of Chaos tour).  On August 2, 2015, Reese confirmed that the 2015 festival would be the last one.

Supporting paragraphs: Summerland Tour Art Alexakis
Answer: April 12, 1962