Question: Who was acquitted of second degree murder in July of 2013, in which his/her case was presided over by Debra Steinberg Nelson?
Sentence (from "George Zimmerman"): George Michael Zimmerman (born October 5, 1983) is an American known for the fatal shooting of Trayvon Martin on February 26, 2012, in Sanford, Florida.
Relevant evidence: Yes