CREATE TABLE table_203_19 (id NUMBER, "number" NUMBER, "builder" CLOB, "type" CLOB, "date" NUMBER, "length" CLOB, "notes" CLOB)

in 1906 , how many total rolling stock vehicles were in service ?
SELECT COUNT(*) FROM table_203_19 WHERE "date" <= 1906
SELECT COUNT(*) FROM "table_203_19" WHERE "date" <= 1906