CREATE TABLE table_203_865 (id DECIMAL, "place" DECIMAL, "athlete" TEXT, "nation" TEXT, "best mark" TEXT, "throw 1" DECIMAL, "throw 2" DECIMAL, "throw 3" DECIMAL, "throw 4" DECIMAL, "throw 5" DECIMAL, "throw 6" DECIMAL)

which athlete has the least number of metres ?
SELECT "athlete" FROM table_203_865 ORDER BY "best mark" LIMIT 1
SELECT "athlete" FROM "table_203_865" ORDER BY "best mark" NULLS FIRST LIMIT 1