CREATE TABLE table_204_910 (id DECIMAL, "rank" DECIMAL, "name" TEXT, "nationality" TEXT, "result" DECIMAL, "notes" TEXT)

how many points apart were the 1st place competitor and the 12th place competitor ?
SELECT (SELECT "result" FROM table_204_910 WHERE id = 1) - (SELECT "result" FROM table_204_910 WHERE id = 12)
SELECT (SELECT "result" FROM "table_204_910" WHERE "id" = 1) - (SELECT "result" FROM "table_204_910" WHERE "id" = 12)