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_91 ( tournament VARCHAR )

### Question ###
What is the 2007 result when the 2010 result was 2r, at the US Open?

### Accurate SQL ###

SELECT 2007 FROM table_name_91 WHERE 2010 = "2r" AND tournament = "us open"