Koepka turned professional in the middle of 2016 and played on the Challenge Tour in the latter part of the year with little success.
Below is an instruction that describes a task, paired with an input that provides further context. Write a response that appropriately completes the request. ### Instruction: List the MITRE techniques contained in the text. ### Input: Koepka turned professional in the middle of 2016 and played on the Challenge Tour in the latter part of the year with little success. ### Response: .