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_35787 ( "Polling Firm" text, "Date of Polling" text, "Link" text, "Liberal" real, "Green" real )

### Question ###
What june 21 22, 2011 polling has green smaller than 13?

### Accurate SQL ###

SELECT "Polling Firm" FROM table_35787 WHERE "Green" < '13' AND "Date of Polling" = 'june 21–22, 2011'