CREATE TABLE table_203_843 (id NUMBER, "record" CLOB, "date and time" CLOB, "competition" CLOB, "home or away" CLOB, "opponent" CLOB, "score" CLOB)

from which competition were their the two largest score differences ?
SELECT "competition" FROM table_203_843 ORDER BY ABS("score" - "score") DESC LIMIT 1
SELECT "competition" FROM "table_203_843" ORDER BY ABS("score" - "score") DESC FETCH FIRST 1 ROWS ONLY