CREATE TABLE table_203_416 (id NUMBER, "school name" CLOB, "city" CLOB, "grades" CLOB, "establishment" NUMBER, "charter" CLOB)

which school was established first ?
SELECT "school name" FROM table_203_416 ORDER BY "establishment" LIMIT 1
SELECT "school name" FROM "table_203_416" ORDER BY "establishment" FETCH FIRST 1 ROWS ONLY