CREATE TABLE table_203_449 (id NUMBER, "name" CLOB, "lifetime" CLOB, "nationality" CLOB, "notable as" CLOB, "notes" CLOB)

how long did elisabeth irwin live ?
SELECT "lifetime" - "lifetime" FROM table_203_449 WHERE "name" = 'elisabeth irwin'
SELECT "lifetime" - "lifetime" FROM "table_203_449" WHERE "name" = 'elisabeth irwin'