CREATE TABLE table_204_824 (id NUMBER, "no." NUMBER, "train no:" CLOB, "origin" CLOB, "destination" CLOB, "train name" CLOB)

the number of passenger trains that left mangalore central is how many ?
SELECT COUNT(*) FROM table_204_824 WHERE "train name" = 'passenger'
SELECT COUNT(*) FROM "table_204_824" WHERE "train name" = 'passenger'