CREATE TABLE table_203_6 (id NUMBER, "#" NUMBER, "date" CLOB, "venue" CLOB, "opponent" CLOB, "score" CLOB, "result" CLOB, "competition" CLOB)

against which team did holosko score the most goals ?
SELECT "opponent" FROM table_203_6 ORDER BY "score" DESC LIMIT 1
SELECT "opponent" FROM "table_203_6" ORDER BY "score" DESC FETCH FIRST 1 ROWS ONLY