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

how many trains originate from mangalore central ?
SELECT COUNT(*) FROM table_204_824 WHERE "origin" = 'mangalore central'
SELECT COUNT(*) FROM "table_204_824" WHERE "origin" = 'mangalore central'