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 Reservations (Kids VARCHAR, LastName VARCHAR, CheckIn VARCHAR, FirstName VARCHAR)
### Question:
How many kids stay in the room DAMIEN TRACHSEL checked in on Sep 21, 2010?
### Answer:
SELECT Kids FROM Reservations WHERE CheckIn = "2010-09-21" AND FirstName = "DAMIEN" AND LastName = "TRACHSEL"