Conversation so far:
When was Temper Temper released?
12 February 2013.
How many albums did they release before this?
the band's fourth studio album would also be named Temper Temper.
DId they tour in support of this album?
The band began touring in support of Temper Temper on 10 February 2013.

Question: How long did the tour last?
Self-contained rewrite: How long did the tour in support Temper Temper by Bullet for My Valentine last?