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_31688 ( "Place" real, "Title" text, "Units sold in Japan" text, "Units sold in the UK" text, "Units sold in the US" text, "Total units sold" real )

### Question ###
Of the games that sold 321,000 units in the UK, what is their average place?

### Accurate SQL ###

SELECT AVG("Place") FROM table_31688 WHERE "Units sold in the UK" = '321,000'