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

who was the last sentor from erie ?
SELECT "senator" FROM table_204_400 WHERE "counties represented" = 'erie' ORDER BY id DESC LIMIT 1
SELECT "senator" FROM "table_204_400" WHERE "counties represented" = 'erie' ORDER BY "id" DESC FETCH FIRST 1 ROWS ONLY