list the common prime minister of the a . v . alexander and david eccles ?
SELECT DISTINCT var_uri where brack_open dbr_A._V._Alexander,_1st_Earl_Alexander_of_Hillsborough dbo_primeMinister var_uri sep_dot dbr_David_Eccles,_1st_Viscount_Eccles dbo_primeMinister var_uri brack_close