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:
| Week of | Tier | Winner | Runner-up | Semi finalists |
| --- | --- | --- | --- | --- |
| 2 October | Tier IV | Shi-Ting Wang 6–1, 6–1 | Jing-Qian Yi | Tina Križan Annabel Ellwood |
| 2 October | Tier IV | Petra Kamstra Tina Križan 2–6, 6–4, 6–1 | Nana Miyagi Stephanie Reece | Tina Križan Annabel Ellwood |
| 2 October | Tier I | Iva Majoli 6–4, 6–4 | Mary Pierce | Chanda Rubin Mariaan de Swardt |
| 2 October | Tier I | Nicole Arendt Manon Bollegraf 6–4, 6–7, 6–4 | Chanda Rubin Caroline Vis | Chanda Rubin Mariaan de Swardt |
| 9 October | Tier II | Iva Majoli 6–4, 7–6 | Gabriela Sabatini | Anke Huber Chanda Rubin |
| 9 October | Tier II | Gigi Fernández Natalia Zvereva 5–7, 6–1, 6–4 | Meredith McGrath Larisa Savchenko | Anke Huber Chanda Rubin |
| 17 October | Tier II | Mary Joe Fernández 6–4, 7–5 | Amanda Coetzer | Kristie Boogert Magdalena Maleeva |
| 17 October | Tier II | Meredith McGrath Larisa Savchenko 7–5, 6–1 | Lori McNeil Helena Suková | Kristie Boogert Magdalena Maleeva |
| 30 October | Tier III | Brenda Schultz-McCarthy 7–6, 6–2 | Dominique Monami | Lindsay Lee Rennae Stubbs |
| 30 October | Tier III | Nicole Arendt Manon Bollegraf 7–6, 4–6, 6–2 | Lisa Raymond Rennae Stubbs | Lindsay Lee Rennae Stubbs |
| 30 October | Tier II | Magdalena Maleeva 6–3, 6–4 | Ai Sugiyama | Lindsay Davenport Mary Joe Fernández |
| 30 October | Tier II | Lori McNeil Helena Suková 3–6, 6–4, 6–3 | Katrina Adams Zina Garrison-Jackson | Lindsay Davenport Mary Joe Fernández |
Question:
What is the Tier when the runner-up is chanda rubin caroline vis?
Answer:
Tier I