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:
| Year | Chairman | Artistic Director | Performance Liaison | Secretary | Business manager | Production Stagemanager | Dramaturge | Public Relations | First/Second Year Rep. | Male Rep. |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 2012-2013 | Emma Carter | Kathleen Bryant | Colleen Perry | Olivia Romeo | Shinah Brashears | Xandii Barber | Danielle Wineman | Mariah Lee | Katie Pautler and Devery North | John Lampe |
| 2011-2012 | Megan Herrera | Ashley Darger | Olivia Howell | Emma Carter | Sarah Stoss | Mary Hosford | Audra Handschke | Jen Benkert | Annie Malin and Kathleen Bryant | John Lampe |
| 2010-2011 | Emily Swenson | Jenny Massey-Brown | Rhea Amos/Rachel Joslyn | Megan Herrera | Katie Huffman | Katie McKellar | Chrisena Ricci | Sascha Streckel | Emma Carter and Alex Molnar | Alex Rodriquez |
| 2009-2010 | Betsy Shirey | Becca Kravitz | Elizabeth Gjertson | Jessica Gorman | Laura Knutzen | Emily Swenson | Cavanaugh Greenwood | Juliana Jones | Megan Herrera | Gabriel Di Chiara |
| 2008-2009 | Melody Butler | Caroline Rhoads | Kira Josephson | Rachel Hartmann | Ana Hagedorn | Kasey Bryant | Maggie Tripp | Emily Shackelford | Emily Swenson | Samuel Cordes |
Question:
How many production stage managers worked with secretary Rachel Hartmann?
Answer:
1.0