which office holder's predecessor is william salkeld and his associate is james wilkinson ?
SELECT DISTINCT var_uri where brack_open var_uri dbo_predecessor dbr_William_Salkeld_ attr_open politician attr_close sep_dot var_uri dbo_associate dbr_James_Wilkinson_ attr_open Australian_politician attr_close sep_dot var_uri a dbo_OfficeHolder brack_close