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_37274 ( "Rank" real, "Name" text, "Nation" text, "Points" real, "Places" real )

### Question ###
What is the Places amount of the United States Ranking 8?

### Accurate SQL ###

SELECT AVG("Places") FROM table_37274 WHERE "Nation" = 'united states' AND "Rank" = '8'