Table:
text: Steven Wilson discography
Cover Version
Cover Version
Album Release_date Label Format Covered_Song Original_Song
Cover Version March, 2003 June, 2005 Headphone Dust Tonefloat CD 7 Single  Thank U  by Alanis Morissette . Moment I Lost
Cover Version II October, 2004 June, 2005 Headphone Dust Tonefloat CD 7 Single  The Day Before You Came  by ABBA . Please Come Home
Cover Version III September, 2005 September, 2006 Headphone Dust Tonefloat CD 7 Single  A Forest  by The Cure . Four Trees Down
Cover Version IV July, 2006 September, 2006 Headphone Dust Tonefloat CD 7 Single The Guitar Lesson by Momus .  The Unquiet Grave

Question: What is the name of the covered song if the album features cover version III for Steven Wilson's discography?