name the office holder whose alma mater is gray's inn and resting place is museum of the shenandoah valley ?
SELECT DISTINCT var_uri where brack_open var_uri dbo_almaMater dbr_Gray's_Inn sep_dot var_uri dbp_restingPlace dbr_Museum_of_the_Shenandoah_Valley sep_dot var_uri a dbo_OfficeHolder brack_close