CREATE TABLE table_204_882 (id NUMBER, "number" NUMBER, "builder" CLOB, "entered service" CLOB, "withdrawn" CLOB, "notes" CLOB)

how many number were in service in 1910 ?
SELECT COUNT("number") FROM table_204_882 WHERE "entered service" <= 1910
SELECT COUNT("number") FROM "table_204_882" WHERE "entered service" <= 1910