Question: How many men was this American serial killer convicted of murdering who became the subject of the 2003 biographical crime drama film "Monster?"
Sentence (from "Monster (2003 film)"): The film is about serial killer Aileen Wuornos, a former prostitute who was executed in Florida in 2002 for killing six men (she was not tried for a seventh murder) in the late 1980s and early 1990s.
Relevant evidence: Yes