CREATE TABLE table_204_145 (id NUMBER, "representative" CLOB, "state" CLOB, "district ( s ) " CLOB, "served" CLOB, "party" CLOB, "date of birth" CLOB, "date of death" CLOB, "age" CLOB)

what was the average age of the first three on the list ?
SELECT AVG("age") FROM table_204_145 WHERE id <= 3
SELECT AVG("age") FROM "table_204_145" WHERE "id" <= 3