which museum exhibits the the dance class by edgar degas ?
select distinct var_uri where brack_open dbr_The_Dance_Class_ attr_open Degas,_Metropolitan_Museum_of_Art attr_close dbo_museum var_uri sep_dot dbr_The_Dance_Class_ attr_open Degas,_Metropolitan_Museum_of_Art attr_close dbo_author dbr_Edgar_Degasbrack_close