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_30815 ( "Pick" text, "Player" text, "Position" text, "Nationality" text, "NHL team" text, "College/junior/club team" text )

### Question ###
How may college/junior/club team has a the nhl team listed as Colorado Avalanche?

### Accurate SQL ###

SELECT COUNT("College/junior/club team") FROM table_30815 WHERE "NHL team" = 'Colorado Avalanche'