CREATE TABLE table_203_213 (id DECIMAL, "name" TEXT, "builder" TEXT, "type" TEXT, "date" TEXT, "works number" DECIMAL, "notes" TEXT)

how many locomotives were built before the 1900s ?
SELECT COUNT(*) FROM table_203_213 WHERE "date" < 1900
SELECT COUNT(*) FROM "table_203_213" WHERE "date" < 1900