CREATE TABLE table_204_530 (id NUMBER, "type" CLOB, "stage" NUMBER, "cyclist" CLOB, "team" CLOB, "reason" CLOB)

which stage had the most cyclists withdraw ?
SELECT "stage" FROM table_204_530 GROUP BY "stage" ORDER BY COUNT("cyclist") DESC LIMIT 1
SELECT "stage" FROM "table_204_530" GROUP BY "stage" ORDER BY COUNT("cyclist") DESC FETCH FIRST 1 ROWS ONLY