Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE table_name_19 (Id VARCHAR)
### Question:
What is the average number of participants in 2012 when there were less than 8 in 2013 and 7 in 2011?
### Answer:
SELECT AVG(2012) FROM table_name_19 WHERE 2013 < 8 AND 2011 = 7