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: Derek Morgan:  Garcia , what do we got on Cyrus ?
Penelope Garcia: Um ... we 've got bupkis . It 's like the guy never cast a shadow on the known universe . However , his predecessor , Leo Cane , is doing a seventeen year stretch at Dearfield Federal Prison . Apparently , Libertarians do not like paying taxes .
Derek Morgan: Seventeen years for tax evasion ?
Penelope Garcia: Oh , no . That would be two years for tax evasion and _ fifteen _ for going after four IRS agents with a Louisville Slugger .

years