When chris barnes is on team usa how many europe teams are there?
CREATE TABLE table_19072602_3 (team_europe VARCHAR, team_usa VARCHAR)
SELECT COUNT(team_europe) FROM table_19072602_3 WHERE team_usa = "Chris Barnes"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: 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? [/INST] SELECT COUNT(team_europe) FROM table_19072602_3 WHERE team_usa = "Chris Barnes" </s>