Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Date | Cover model | Centerfold model | Interview subject | 20 Questions | Pictorials |
| --- | --- | --- | --- | --- | --- |
| 1-86 | no model pictured | Sherry Arnett | Ruth Westheimer | Jay Leno | Iman , Melanie Griffith |
| 2-86 | Cherie Witter | Julie McCullough | Michael Douglas | Anthony Pellicano | Women of Alaska |
| 3-86 | Sally Field | Kim Morris | Sally Field | David Byrne | Female s disk jockey |
| 5-86 | Kathleen Turner | Christine Richters | Kathleen Turner | Kim Basinger | Female magicians |
| 6-86 | Kathy Shower | Rebecca Ferratti | Kareem Abdul-Jabbar | Al Unser and Al Unser, Jr. | Kathy Shower - PMOY, Linda Evans |
| 7-86 | Carrie Leigh | Lynne Austin | Arthur C. Clarke | Tom Cruise | Carrie Leigh, Brenda Venus |
| 8-86 | Lillian Müller | Ava Fabian | Jackie Gleason | Sigourney Weaver | Brigitte Nielsen |
| 9-86 | Julie McCullough | Rebekka Armstrong | Carl Bernstein | Gregory Hines | Farmer's Daughters |
| 10-86 | Sharon Kaye | Katherine Hushaw | Phil Collins | Jim McMahon | Women of the Ivy League , Wendy O. Williams |
| 11-86 | Devin DeVasquez | Donna Edmondson | Joan Rivers | David Horowitz | Devin DeVasquez |
Question:
Who was the interview subject when the centerfold model was Sherry Arnett?
Answer:
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