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_23950611_2 (rank__all__2012 VARCHAR, name VARCHAR)

### Question ###
What was the Forbers rank (all companies) in 2012 for cenovus energy?

### Accurate SQL ###

SELECT rank__all__2012 FROM table_23950611_2 WHERE name = "Cenovus Energy"