CREATE TABLE table_204_492 (id NUMBER, "year" NUMBER, "competition" CLOB, "venue" CLOB, "position" CLOB, "notes" CLOB)

what year did it only take place in sherbrooke , canada ?
SELECT "year" FROM table_204_492 WHERE "venue" = 'sherbrooke, canada'
SELECT "year" FROM "table_204_492" WHERE "venue" = 'sherbrooke, canada'