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_24778847_2 ( link VARCHAR, date_of_polling VARCHAR )

### Question ###
What format is the link for the polling data for February 10 28, 2011?

### Accurate SQL ###

SELECT link FROM table_24778847_2 WHERE date_of_polling = "February 10–28, 2011"