user: Question: What's the name of train number 15647/48?
Columns: ['Train No.', 'Train Name', 'Origin', 'Destination', 'Frequency']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['12067/68', 'Guwahati Jorhat Town Jan Shatabdi Express', 'Guwahati', 'Jorhat', 'Except Sunday']
SQL:

assistant: SELECT "Train Name" FROM "Table" WHERE "Train No." = '15647/48';