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_19072602_3 ( team_europe VARCHAR, team_usa VARCHAR )

### Question ###
When chris barnes is on team usa how many europe teams are there?

### Accurate SQL ###

SELECT COUNT(team_europe) FROM table_19072602_3 WHERE team_usa = "Chris Barnes"