CREATE TABLE table_204_15 (id DECIMAL, "year" DECIMAL, "date" TEXT, "venue" TEXT, "city" TEXT, "country" TEXT, "notes" TEXT)

where was the previous acm multimedia workshop held at in 2012 ?
SELECT "venue" FROM table_204_15 WHERE "year" = 2012
SELECT "venue" FROM "table_204_15" WHERE "year" = 2012