Definition: In this task, you will be presented with a passage and have to answer a question based on your understanding of the events inferred from the passage. Try to find the best answer that is most likely to fill in "_". Note that the URLs in the text have been replaced with [Link].
Input: A man who blackmailed his neighbour for money and sex with his wife after threatening to reveal he was a hit and run driver has been murdered. Wang, 45, was in the tractor when Tan hit a motorcyclist and fled the scene last December, and threatened to tell police unless his demands were met. But Tan, 39, has now been arrested for murdering Wang, whose body was found in a cave in rural Guangxi province in southern China, reported the People's Daily Online. Tan, his wife, his half-brother and his half-brother's partner have now all handed themselves in to police after Wang's body was discovered at the end of last month.WARNING: GRAPHIC CONTENTWang, 45, was in tractor when neighbour Tan hit motorcyclist in ChinaHe blackmailed him for money and raped Tan's wife multiple timesTan decided to murder his blackmailer by poisoning him and then strangling him to deathWang's body was discovered at the bottom of a cave in rural GuangxiTan, his half-brother and their partners have handed themselves into police 
 Question:He is believed to have raped Mrs _ at least three times.

Tan