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_2886617_3 ( nationality VARCHAR, position VARCHAR, college_junior_club_team VARCHAR )

### Question ###
Which nationality has left wing as the position and college/junior/team is portland winterhawks (whl)?

### Accurate SQL ###

SELECT nationality FROM table_2886617_3 WHERE position = "Left Wing" AND college_junior_club_team = "Portland Winterhawks (WHL)"