Definition: In this task, you will use your knowledge about language (and common sense) to determine what element the marked number refers to. The numbers are marked with two underlines around them, like: _ number _. Your answer should be chosen from the given text, and should not contain other words.
Input: Harris:  You know , Clay , I 've seen men pinwheel a gun in my time and I 've seen some fancy use of the border shift , too , but I ai n't ever seen anybody use both tricks on the same draw .
Clay McCord: He 's a gunfighter if ever I 've seen _ one _ .

gunfighter