Solve the following math problem step by step. The last line of your response should be of the form Answer: \boxed{$Answer} where $Answer is the answer to the problem.

<image>If $\overline{QR} \| \overline{XY}, \overline{XQ} \cong \overline{QZ}$, and $QR=9.5$ units, what is the length of $\overline{XY}$.