CREATE TABLE table_34941 ("Date" CLOB, "Opponent#" CLOB, "Site" CLOB, "Result" CLOB, "Attendance" CLOB)

What is the Opponent name at memorial stadium minneapolis, mn on 10/20/1928?
SELECT "Opponent#" FROM table_34941 WHERE "Site" = 'memorial stadium • minneapolis, mn' AND "Date" = '10/20/1928'
SELECT "Opponent#" FROM "table_34941" WHERE "Date" = '10/20/1928' AND "Site" = 'memorial stadium • minneapolis, mn'