Question: What English-American heavy metal band active from 2006 to 2010's drummer did Greg Hampton form a new project with in 2011?
Sentence (from "Nicke Andersson"): Andersson was also the drummer of Tiamat in 1989, who were under the name of Treblinka, but he was no longer in the group by that year and he did not record any material with them.
Relevant evidence: No