The play-offs were first introduced in 1987 and have been staged at the conclusion of every season since.
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: The play-offs were first introduced in 1987 and have been staged at the conclusion of every season since. ### Response: .