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)

how many of the listed senators were at least 90 years old when they died ?
SELECT COUNT("representative") FROM table_204_145 WHERE "age" >= 90
SELECT COUNT("representative") FROM "table_204_145" WHERE "age" >= 90