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_31107 ( "Rank 2011" real, "Country" text, "Production in 2011 (1,000 ton)" real, "Share 2011" text, "Rank 2010" real, "Production in 2010 (1,000 ton)" real )

### Question ###
When 5 is the rank of 2011 what is the country?

### Accurate SQL ###

SELECT "Country" FROM table_31107 WHERE "Rank 2011" = '5'