CREATE TABLE table_204_29 (id DECIMAL, "rank" DECIMAL, "lane" DECIMAL, "name" TEXT, "nationality" TEXT, "time" TEXT, "notes" TEXT)

who took longer to finish , ashley delaney or charles francis ?
SELECT "name" FROM table_204_29 WHERE "name" IN ('ashley delaney', 'charles francis') ORDER BY "time" DESC LIMIT 1
SELECT "name" FROM "table_204_29" WHERE "name" IN ('ashley delaney', 'charles francis') ORDER BY "time" DESC NULLS LAST LIMIT 1