Sentence:  The Air Force's , and the game 's , final play , was a long pass by quarterback Bob McNaughton which Gannon intercepted on his own 44 and returned 22 <WSD>yards</WSD> . 
Meaning of the word marked with <WSD> tags:  a unit of length equal to 3 feet; defined as 91.44 centimeters; originally taken to be the average length of a stride