CREATE TABLE table_203_207 (id NUMBER, "site name" CLOB, "reason for designation\ biological interest" NUMBER, "reason for designation\ geological interest" NUMBER, "area\ hectares" NUMBER, "area\ acres" NUMBER, "coordinates & grid ref" CLOB, "year in which notified" NUMBER, "other designations" CLOB, "map & citation" CLOB)

how many sites were notified after 2000 ?
SELECT COUNT("site name") FROM table_203_207 WHERE "year in which notified" > 2000
SELECT COUNT("site name") FROM "table_203_207" WHERE "year in which notified" > 2000