CREATE TABLE table_204_933 (id DECIMAL, "year" DECIMAL, "competition" TEXT, "date" TEXT, "location" TEXT, "opponent" TEXT, "score" TEXT, "result" TEXT, "bye" TEXT)

in what year did they score the least amount of goals ?
SELECT "year" FROM table_204_933 GROUP BY "year" ORDER BY SUM("score") LIMIT 1
SELECT "year" FROM "table_204_933" GROUP BY "year" ORDER BY SUM("score") NULLS FIRST LIMIT 1