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_51 (air_date VARCHAR, order VARCHAR)
### Question:
What is the sum of numbers listed in 18-49 for the episode that aired on June 25, 2009 with an order larger than 29?
### Answer:
SELECT SUM(18 AS _49) FROM table_name_51 WHERE air_date = "june 25, 2009" AND order > 29