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 | Tournament | Surface | Partnering | Opponent in the final | Score |
| --- | --- | --- | --- | --- | --- |
| 4 May 1992 | Waregem , Belgium | Clay | Manon Bollegraf | Elena Bryukhovets Petra Langrová | 6–4, 6–3 |
| 18 October 1993 | Budapest , Hungary | Carpet (i) | Inés Gorrochategui | Sandra Cecchini Patricia Tarabini | 6–1, 6–3 |
| 4 August 1997 | Los Angeles , USA | Hard | Yayuk Basuki | Larisa Neiland Helena Suková | 7–6 (9–7) , 6–3 |
| 11 August 1997 | Toronto , Canada | Hard | Yayuk Basuki | Nicole Arendt Manon Bollegraf | 3–6, 7–5, 6–4 |
| 22 February 1999 | Paris , France | Carpet (i) | Irina Spîrlea | Elena Likhovtseva Ai Sugiyama | 7–5, 3–6, 6–3 |
| 20 September 1999 | Luxembourg , Luxembourg | Carpet (i) | Irina Spîrlea | Tina Križan Katarina Srebotnik | 6–1, 6–2 |
| 25 October 1999 | Linz , Austria | Carpet (i) | Irina Spîrlea | Tina Križan Larisa Neiland | 6–4, 6–3 |
| 13 November 2000 | Pattaya , Thailand | Hard | Yayuk Basuki | Tina Križan Katarina Srebotnik | 6–3, 6–3 |
| 12 February 2001 | Dubai , UAE | Hard | Yayuk Basuki | Åsa Svensson Karina Habšudová | 6–0, 4–6, 6–2 |
Question:
What surface was played on with a score of 6–4, 6–3 and on 4 May 1992?
Answer:
Clay