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_1013129_2 ( college_junior_club_team VARCHAR, nhl_team VARCHAR )

### Question ###
How many different college/junior/club teams provided a player to the Washington Capitals NHL Team?

### Accurate SQL ###

SELECT COUNT(college_junior_club_team) FROM table_1013129_2 WHERE nhl_team = "Washington Capitals"