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_50 (matches INTEGER, team VARCHAR, strike_rate VARCHAR)
### Question:
What were the total number of matches played when the Deccan Chargers had a strike rate of 15.5?
### Answer:
SELECT MAX(matches) FROM table_name_50 WHERE team = "deccan chargers" AND strike_rate > 15.5