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_23004 ( "House name" text, "House mascot" text, "House colour" text, "Year opened" real, "House leader" text )

### Question ###
What is the house colour associated with the house name of Kupe?

### Accurate SQL ###

SELECT "House colour" FROM table_23004 WHERE "House name" = 'Kupe'