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:
| Edition | Round | Date | Surface | Opponent | Result |
| --- | --- | --- | --- | --- | --- |
| 1991 World Group I | R1 | July 22, 1991 | Hard | Petra Schmitt | 6–1, 6–2 |
| 1991 World Group I | R2 | July 24, 1991 | Hard | Jennifer Capriati | 5–7, 2–6 |
| 1992 World Group I | R1 | July 14, 1992 | Clay | Rachel McQuillan | 7–6 (7–4) , 6–2 |
| 1992 World Group I | RPO | July 16, 1992 | Clay | Ruxandra Dragomir | 6–0, 6–1 |
| 1993 World Group I | R1 | July 19, 1993 | Clay | Park Sung-hee | 6–0, 6–4 |
| 1993 World Group I | R2 | July 21, 1993 | Clay | Florencia Labat | 6–4, 5–7, 6–3 |
| 1994 World Group I | R1 | July 19, 1994 | Clay | Iva Majoli | 6–3, 4–6, 4–6 |
| 1994 World Group I | R2 | July 21, 1994 | Clay | Yayuk Basuki | 6–3, 6–3 |
| 1994 World Group I | QF | July 22, 1994 | Clay | Mary Pierce | 6–7 (6–8) , 6–4, 6–4 |
| 1995 World Group I | QF | April 22, 1995 | Carpet (I) | Conchita Martínez | 2–6, 4–6 |
| 1995 World Group I | QF | April 23, 1995 | Carpet (I) | Arantxa Sánchez Vicario | 6–3, 6–3 |
| 1998 Europe/Africa Group I | RR | April 14, 1998 | Clay | Raluca Sandu | 1–6, 3–6 |
| 1998 Europe/Africa Group I | RR | April 15, 1998 | Clay | Mariaan de Swardt | 1–6, 5–7 |
| 1998 Europe/Africa Group I | RR | April 16, 1998 | Clay | Elena Krutko | 6–7 (2–7) , 6–1, 1–6 |
| 2002 Europe/Africa Group I | RR | April 24, 2002 | Clay | Angela Cardoso | 6–0, 6–0 |
| 2002 Europe/Africa Group I | RR | April 25, 2002 | Clay | Salome Devidze | 6–1, 6–3 |
| 2002 Europe/Africa Group I | RR | April 26, 2002 | Clay | Kaia Kanepi | 6–4, 6–2 |
| 2002 Europe/Africa Group I | PPO | April 27, 2002 | Clay | Yuliya Beygelzimer | 3–6, 4–6 |
| 2003 Europe/Africa Group I | RR | April 21, 2003 | Clay | Margalita Chakhnashvili | 6–3, 6–1 |
| 2003 Europe/Africa Group I | RR | April 23, 2003 | Clay | Jelena Janković | 6–2, 3–6, 6–2 |
| 2003 Europe/Africa Group I | RR | April 24, 2003 | Clay | Anna Smashnova | 7–5, 6–4 |
| 2005 Europe/Africa Group I | RR | April 20, 2005 | Clay | Natalie Grandin | 6–4, 6–3 |
| 2005 Europe/Africa Group I | RR | April 21, 2005 | Clay | Zsófia Gubacsi | 7–6 (7–4) , 6–2 |
| 2005 Europe/Africa Group I | PPO | April 23, 2005 | Clay | Michaëlla Krajicek | 4–6, 6–3, 6–2 |
| 2005 World Group II Play-offs | PO | July 9, 2005 | Hard (I) | Aiko Nakamura | 3–6, 6–4, 6–3 |
| 2005 World Group II Play-offs | PO | July 10, 2005 | Hard (I) | Akiko Morigami | 6–7 (3–7) , 3–6 |
Question:
What surface was the April 24, 2003 match played on?
Answer:
Clay