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:
| Tournament | Surface | Week | Winner and score | Finalist | Semifinalists |
| --- | --- | --- | --- | --- | --- |
| Indian Wells | Hard | March 11 | Michael Chang 7–5, 6–1, 6–1 | Paul Haarhuis | Goran Ivanišević Marcelo Ríos |
| Key Biscane | Hard | March 18 | Andre Agassi 3–0 Ret. | Goran Ivanišević | Arnaud Boetsch Pete Sampras |
| Monte Carlo | Clay | April 22 | Thomas Muster 6–3, 5–7, 4–6, 6–3, 6–2 | Albert Costa | Cédric Pioline Marcelo Ríos |
| Hamburg | Clay | May 6 | Roberto Carretero 2–6, 6–4, 6–4, 6–4 | Àlex Corretja | Yevgeny Kafelnikov Marcelo Ríos |
| Rome | Clay | May 13 | Thomas Muster 6–2, 6–4, 3–6, 6–3 | Richard Krajicek | Albert Costa Wayne Ferreira |
| Cincinnati | Hard | August 5 | Andre Agassi 7–6(4), 6–4 | Michael Chang | Thomas Enqvist Thomas Muster |
| Toronto | Hard | August 19 | Wayne Ferreira 6–2, 6–4 | Todd Woodbridge | Marcelo Ríos Todd Martin |
| Stuttgart | Carpet (i) | October 21 | Boris Becker 3–6, 6–3, 3–6, 6–3, 6–4 | Pete Sampras | Jan Siemerink Michael Chang |
| Paris | Carpet (i) | October 28 | Thomas Enqvist 6–2, 6–4, 7–5 | Yevgeny Kafelnikov | Magnus Gustafsson Petr Korda |
| Hanover ( AWC ) | Carpet (i) | November 18 | Pete Sampras 3–6, 7–6(5), 7–6(4), 6–7(11), 6–4 | Boris Becker | Richard Krajicek Goran Ivanišević |
Question:
On what surface did they play the match in the week of October 21?
Answer:
Carpet (i)