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_1 (air_date VARCHAR, viewers VARCHAR)
### Question:
What is the total 18-49 for the episode that aired on July 2, 2009 with more than 3.5 viewers?
### Answer:
SELECT COUNT(18 AS _49) FROM table_name_1 WHERE air_date = "july 2, 2009" AND viewers > 3.5