which common prime minister did alexander fermor-hesketh and john macgregor serve ?
SELECT DISTINCT var_uri where brack_open dbr_Alexander_Fermor-Hesketh,_3rd_Baron_Hesketh dbo_primeMinister var_uri sep_dot dbr_John_MacGregor,_Baron_MacGregor_of_Pulham_Market dbo_primeMinister var_uri brack_close