sentences:  Clarkson was appointed head coach of Hawthorn at the end of the 2004 season, in which the club had placed second-last.Hawthorn returned to the finals in 2007, Clarkson's third season in charge, and the following year defeated Geelong in the grand final to claim their first premiership since 1991.From 2012 to 2015, Clarkson cemented his place in club history by coaching Hawthorn to four consecutive grand finals.