Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_24887326_6 (away_team VARCHAR, tie_no VARCHAR)

### Question ###
Who is the away team for tie no 15?

### Accurate SQL ###

SELECT away_team FROM table_24887326_6 WHERE tie_no = 15