CREATE TABLE table_203_808 (id NUMBER, "rank" NUMBER, "peak name" CLOB, "elevation" CLOB, "location" CLOB, "notes" CLOB)

list the mountains that do not have an elevation above 3,100 ft.
SELECT "peak name" FROM table_203_808 WHERE "elevation" <= 3100
SELECT "peak name" FROM "table_203_808" WHERE "elevation" <= 3100