What i/o buses are associated with the LGA 1155 socket, a code name of Sandy Bridge (desktop) and a brand name of Core i3-21xx?
create table table_24538587_11 (i_o_bus varchar, brand_name__list_ varchar, socket varchar, codename__main_article_ varchar, PRIMARY KEY (i_o_bus))
select i_o_bus from table_24538587_11 where socket = "lga 1155" and codename__main_article_ = "sandy bridge (desktop)" and brand_name__list_ = "core i3-21xx"