CREATE TABLE table_204_349 (id NUMBER, "year" NUMBER, "conservative\ councillors" NUMBER, "labour\ councillors" NUMBER, "independent\ councillors" NUMBER, "liberal\ councillors" NUMBER)

what is the last year listed on this chart ?
SELECT "year" FROM table_204_349 ORDER BY id DESC LIMIT 1
SELECT "year" FROM "table_204_349" ORDER BY "id" DESC FETCH FIRST 1 ROWS ONLY