claim: Salt River Valley is in the middle part of Arizona.
evidence: The 1998 Guardian Direct Cup was a men 's tennis tournament played on indoor carpet courts in London , Great Britain , that was part of the ATP Championship Series of the 1998 ATP Tour .. tennis. tennis. indoor. Tennis court#Indoor courts. carpet courts. Tennis court#Carpet courts. London. London. ATP Championship Series. ATP Championship Series. 1998 ATP Tour. 1998 ATP Tour. It was the 21st edition of the tournament and was held 23 February -- 1 March .