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:
| Outcome | Date | Championship | Surface | Opponent in the final | Score in the final |
| --- | --- | --- | --- | --- | --- |
| Runner-up | 26 May 1986 | French Open, Paris, France | Clay | Ivan Lendl | 3–6, 2–6, 4–6 |
| Runner-up | 15 February 1988 | Memphis , USA | Hard (i) | Andre Agassi | 4–6, 4–6, 5–7 |
| Winner | 19 September 1988 | Los Angeles , USA | Hard | Andre Agassi | 6–2, 7–5 |
| Winner | 3 October 1988 | Scottsdale , USA | Hard | Glenn Layendecker | 6–2, 6–4 |
| Winner | 28 February 1993 | Montreal , Canada | Hard | Todd Martin | 2–6, 6–2, 7–5 |
Question:
What Surface has a Date of 15 february 1988?
Answer:
Hard (i)