Question: On what date was Cattle Decapitations's most recent album released?

Context paragraphs:
Greatest Hits (The Human League album): Human League Greatest Hits is a compilation album released by British synthpop band The Human League.  It was released by Virgin Records on 31 October 1988 and contained 13 singles released by the band, spanning from their debut single (1978's "Being Boiled") to their most recent album at the time ("Crash", 1986) plus Philip Oakey's collaboration with Giorgio Moroder "Together In Electric Dreams".  The album reached no.3 in the UK.

The Platinum Collection (Deep Purple album): The Platinum Collection is a compilation album released by English rock group Deep Purple.  It features songs from their very first album "Shades of Deep Purple" up to their (at the time) most recent album "Bananas".

The Best of Sophie B. Hawkins (2002 album): The Best of Sophie B. Hawkins is a compilation album released in 2002 collecting songs by American singer Sophie B. Hawkins.  It is her first compilation album, and was released 10 years after her first studio album, "Tongues and Tails".  It contains no songs from what was then her most recent album, "Timbre", released in 1999; instead, besides Hawkins' main singles (barring those from "Timbre"), it contains a variety of tracks from her first two albums that were not issued as singles, ending with an exclusive cover of "The Night They Drove Old Dixie Down", originally by The Band.  The album was only released internationally, and not in Hawkins' home country of the United States.  An album of the same title, also released as "Essential Sophie B. Hawkins", was issued the following year there.

The Sky Above the Mud Below: The Sky Above the Mud Below is an album by New Zealand band Tall Dwarfs released in 2002.  It includes an International Tall Dwarfs EP called "The Weidenhaüsen Impediment" ("FREE!!!") , but it remains unclear whether this was also released separately.  Friends recorded sounds for this EP, which were then turned into songs by Bathgate and Knox (similar to the way "Stumpy" had come about).  "The Sky Above the Mud Below" (not "The Sky Above, the Mud Below" as Allmusic spells it) is the most recent album released by the Tall Dwarfs.

Stuck in the Sound: Stuck in the Sound is a French indie rock band formed in Paris in 2002.  The current band line up consists of José Reis Fontão (lead vocals and guitar), Emmanuel Barichasse (lead guitar), Arno Bordas (bass guitar) and François Ernie (drums and backing vocals).  The group are presently signed to Discograph Records and have to date released four studio albums; their first commercially released album "Stuck In The Sound" was released in 2004 and their most recent album, "Survivor", was released in early 2016.

Why (Canadian band): WHY is a Canadian band, formed in Winnipeg, Manitoba in 1993, which uses its music to promote and support positive causes.  They released their first album "THE NAKED SOUL" in 1994.  Their most recent album released was "The Leap" (2013), with singles "Weep" and "Do It Scared."  WHY had two hit singles from "Red" (2007), "The Surface" and "Red", the latter winning song of the year on Winnipeg radio station KICK FM.  WHY also gained further notoriety with their video and hit single "Prisoner of Hope" in 2010.  They are currently recording their next album.

Brooke Fraser: Brooke Gabrielle Fraser Ligertwood, better known as Brooke Fraser (born 15 December 1983), is a New Zealand singer and songwriter best known for her hit single "Something in the Water", released in 2010.  Fraser released two studio albums "What to Do with Daylight" (2003) and "Albertine" (2006) through Columbia Records before signing a recording contract with Wood + Bone.  Her third studio album, "Flags" was released in 2010 and it is her most successful album to date.  Her most recent album, "Brutal Romantic", was released in November 2014 through Vagrant Records.  She is one of the top selling and most popular New Zealand recording artists of all time: her albums were certified 15× Platinum.  Fraser is also a member of the Christian music group Hillsong Worship and was songwriter and lead vocalist for the song "What a Beautiful Name".

Cattle Decapitation: Cattle Decapitation is an American extreme metal band from San Diego, California, formed in 1996.  The band's current line-up includes vocalist Travis Ryan, guitarist Josh Elmore, drummer Dave McGraw, and bassist Derek Engemann.  Cattle Decapitation have released seven albums, the most recent being "The Anthropocene Extinction" in 2015.

The Anthropocene Extinction: The Anthropocene Extinction is the seventh studio album by American deathgrind band Cattle Decapitation.  It was released on August 7, 2015, on Metal Blade Records.  It became Cattle Decapitation's first album to chart on the Billboard 200, debuting at No. 49

Orpheus Omega: Orpheus Omega are a melodic death metal band from Melbourne, Australia.  Originally called "Orpheus", the band changed their name to "Orpheus Omega" on April 26, 2013, prior to the release of their second studio album "Resillusion".  The current line up consists of Chris Themelco (guitar and vocals), Joao Goncalves (guitar), Nathan Mesiti (bass), Keswick Gallagher (keyboards) and Matt Themelco (drums).  The most recent album, "Partum Vita Mortem" was released in 2015.  To date, the band has released three studio albums, one EP and two live DVDs.

Supporting paragraphs: The Anthropocene Extinction Cattle Decapitation
Answer: August 7, 2015,