CREATE TABLE table_203_189 (id NUMBER, "year" NUMBER, "competition" CLOB, "venue" CLOB, "position" CLOB, "notes" CLOB)

did they finish in a better position in portugal or greece ?
SELECT "venue" FROM table_203_189 WHERE "venue" IN ('portugal', 'greece') ORDER BY "position" LIMIT 1
SELECT "venue" FROM "table_203_189" WHERE "venue" IN ('portugal', 'greece') ORDER BY "position" FETCH FIRST 1 ROWS ONLY