Question: Scream 2 is the fifth studio album by German trance producer & DJ Markus Schulz, released on which date, by Armada Music?

Context paragraphs:
Scream 2 (Markus Schulz album): Scream 2 is the fifth studio album by German trance producer & DJ Markus Schulz, released on 21 February 2014 by Armada Music.

Toronto '09: Toronto '09 is a compilation album by German trance producer Markus Schulz.

Miami '05: Miami '05 is the first album in German trance producer Markus Schulz's city compilation series.

Trance music: Trance is a genre of electronic music that developed during the early 1990s, in Germany.  It is characterized by a tempo lying between 125 and 150 beats per minute (BPM), repeating melodic phrases, and a musical form that distinctly builds tension and elements throughout a track often culminating in 1 to 2 "peaks" or "drops."  Although trance is a genre of its own, it liberally incorporates influences from other musical styles such as techno, house, pop, chill-out, classical music, tech house, ambient, and film music.

Los Angeles '12: Los Angeles '12 is a compilation album by German trance producer Markus Schulz.

Amsterdam '08: Amsterdam '08 is a compilation album by German trance producer Markus Schulz.

Las Vegas '10: Las Vegas '10 is a compilation album by German trance producer Markus Schulz.

Scream (Markus Schulz album): Scream is the fourth album by German trance producer & DJ Markus Schulz, released on August 31, 2012 by Armada Music.  "Scream" represents a change in Markus Schulz's production style from deeper trance tracks produced since "Do You Dream? " to more club orientated trance tracks, which are widely featured throughout the entirety of "Scream".

Coldharbour Recordings: Coldharbour Recordings is an electronic dance music label founded and owned by German trance DJ and producer Markus Schulz in 2005.  The label was formerly a sublabel of Armada Music until 2013 when Schulz took the label independent.  It is named after Coldharbour Lane, a road in South London where Schulz's first studio was located.

Ibiza '06: Ibiza '06 is a compilation album by German trance producer Markus Schulz.

Supporting paragraphs: Scream 2 (Markus Schulz album) Trance music
Answer: 21 February 2014