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_name_49 (attendance INTEGER, venue VARCHAR, round VARCHAR)

### Question ###
I want to know the average attendance for n venue and f round

### Accurate SQL ###

SELECT AVG(attendance) FROM table_name_49 WHERE venue = "n" AND round = "f"