CREATE TABLE table_203_213 (id NUMBER, "name" CLOB, "builder" CLOB, "type" CLOB, "date" CLOB, "works number" NUMBER, "notes" CLOB)

how many locomotives were built after 1900 ?
SELECT COUNT("builder") FROM table_203_213 WHERE "date" > 1900
SELECT COUNT("builder") FROM "table_203_213" WHERE "date" > 1900