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 | Tournament | Champions | Runners-up | Semifinalists |
| --- | --- | --- | --- | --- |
| 13 September | Bucharest , Romania $500,000 | Goran Ivanišević 6-2 7-6(5) | Andrei Cherkasov | Guillermo Pérez-Roldán Andrea Gaudenzi |
| 13 September | Bucharest , Romania $500,000 | Oosting / Pimek 7-6 7-6 | Cosac / Porumb | Guillermo Pérez-Roldán Andrea Gaudenzi |
| 13 September | Bordeaux , France $330,000 | Sergi Bruguera 7-5 6-2 | Diego Nargiso | Arnaud Boetsch Marc Rosset |
| 13 September | Bordeaux , France $330,000 | Albano / Frana 7-6 4-6 6-3 | Adams / Olhovskiy | Arnaud Boetsch Marc Rosset |
| 27 September | Palermo , Italy $290,000 | Thomas Muster 7-6(2) 7-5 | Sergi Bruguera | Federico Sanchez Andrea Gaudenzi |
| 27 September | Palermo , Italy $290,000 | Casal / Sánchez 6-3 6-3 | Garat / Lozano | Federico Sanchez Andrea Gaudenzi |
| 27 September | Kuala Lumpur , Malaysia $275,000 | Michael Chang 6-0 6-4 | Jonas Svensson | Neil Borwick Grant Stafford |
| 27 September | Kuala Lumpur , Malaysia $275,000 | Eltingh / Haarhuis 7-5 4-6 7-6 | Björkman / Wahlgren | Neil Borwick Grant Stafford |
| 27 September | Basel , Switzerland $775,000 | Michael Stich 6-4 6-7(5) 6-3 6-2 | Stefan Edberg | Marc Rosset Martin Damm |
| 27 September | Basel , Switzerland $775,000 | Black / Stark 3-6 7-5 6-3 | Pearce / Randall | Marc Rosset Martin Damm |
Question:
Whose Runner-up has a Semifinalist of guillermo pérez-roldán andrea gaudenzi?
Answer:
Andrei Cherkasov, Cosac / Porumb