Sentence:  He was heralded as `` Sportsman of the Year '' by Sports Illustrated , and last <WSD>night</WSD> was acclaimed in Rochester as the `` Professional Athlete of the Year '' , a distinction that earned for him the $ 10000 diamond - studded Hickok Belt . 
Meaning of the word marked with <WSD> tags:  the time after sunset and before sunrise while it is dark outside