CREATE TABLE table_204_760 (id NUMBER, "year" NUMBER, "competition" CLOB, "venue" CLOB, "position" CLOB, "event" CLOB, "notes" CLOB)

how many times has this athlete not finished in a competition ?
SELECT COUNT(*) FROM table_204_760 WHERE "position" IS NULL
SELECT COUNT(*) FROM "table_204_760" WHERE "position" IS NULL