CREATE TABLE table_204_78 (id DECIMAL, "no." DECIMAL, "train no." TEXT, "origin" TEXT, "destination" TEXT, "train name" TEXT)

what is the name of the train listed before bangalore express ?
SELECT "train name" FROM table_204_78 WHERE id = (SELECT id FROM table_204_78 WHERE "train name" = 'bangalore express') - 1
SELECT "train name" FROM "table_204_78" WHERE "id" = (SELECT "id" FROM "table_204_78" WHERE "train name" = 'bangalore express') - 1