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_16993379_1 (share VARCHAR, viewers__millions_ VARCHAR)

### Question ###
How many were the shares when the viewers reached 3.11 million?

### Accurate SQL ###

SELECT COUNT(share) FROM table_16993379_1 WHERE viewers__millions_ = "3.11"