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_13237088_28 ( no_yds VARCHAR, ast VARCHAR )

### Question ###
List all number of yards with an AST of 8.

### Accurate SQL ###

SELECT no_yds FROM table_13237088_28 WHERE ast = 8