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_name_10 ( _2007 VARCHAR, visitors INTEGER, type VARCHAR )

### Question ###
How many visitors in 2007 were there for ski jumping hill?

### Accurate SQL ###

SELECT SUM(visitors), _2007 FROM table_name_10 WHERE type = "ski jumping hill"