CREATE TABLE table_17417 ("Train No." CLOB, "Train Name" CLOB, "Origin" CLOB, "Destination" CLOB, "Frequency" CLOB)

What's the name of train number 15647/48?
SELECT "Train Name" FROM table_17417 WHERE "Train No." = '15647/48'
SELECT "Train Name" FROM "table_17417" WHERE "Train No." = '15647/48'