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 person (name VARCHAR, friend VARCHAR, city VARCHAR)
TABLE: CREATE TABLE PersonFriend (name VARCHAR, friend VARCHAR, city VARCHAR)

### Question ###
What is the total number of people who has no friend living in the city of Austin.

### Accurate SQL ###

SELECT COUNT(DISTINCT name) FROM PersonFriend WHERE NOT friend IN (SELECT name FROM person WHERE city = 'Austin')