CREATE TABLE table_203_734 (id DECIMAL, "year" DECIMAL, "competition" TEXT, "venue" TEXT, "position" TEXT, "event" TEXT, "notes" TEXT)

which had the least amount of time ?
SELECT "competition" FROM table_203_734 ORDER BY "notes" LIMIT 1
SELECT "competition" FROM "table_203_734" ORDER BY "notes" NULLS FIRST LIMIT 1