CREATE TABLE table_204_400 (id NUMBER, "district" NUMBER, "senator" CLOB, "party" CLOB, "caucus" CLOB, "first elected" NUMBER, "counties represented" CLOB)

number of state senators first elected in 2002
SELECT COUNT("senator") FROM table_204_400 WHERE "first elected" = 2002
SELECT COUNT("senator") FROM "table_204_400" WHERE "first elected" = 2002