CREATE TABLE table_203_873 (id NUMBER, "model name" CLOB, "length" CLOB, "width" CLOB, "height" CLOB, "riders" NUMBER, "capacity" NUMBER, "description" CLOB, "portable" CLOB, "notes" NUMBER)

what model has the same height as the mega disk ` o ?
SELECT "model name" FROM table_203_873 WHERE "model name" <> "mega disk'o" AND "height" = (SELECT "height" FROM table_203_873 WHERE "model name" = "mega disk'o")
SELECT "model name" FROM "table_203_873" WHERE "height" = (SELECT "height" FROM "table_203_873" WHERE "mega disk'o" = "model name") AND "mega disk'o" <> "model name"