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 | 1978.0 | Maui , U.S. | Hard | Bill Scanlon | 2–6, 0–6 |
| Winner | 1978.0 | Bologna , Italy | Carpet | Adriano Panatta | 6–2, 7–6 |
| Runner-up | 1978.0 | Montego Bay , Jamaica | Hard | Ilie Năstase | 6–2, 6–5, 2–6, 4–6, 4–6 |
| Runner-up | 1979.0 | San Jose , U.S. | Carpet | John McEnroe | 6–7, 6–7 |
| Winner | 1979.0 | Cincinnati , U.S. | Hard | Roscoe Tanner | 6–4, 6–2 |
| Winner | 1979.0 | Los Angeles , U.S. | Carpet | John McEnroe | 6–4, 6–4 |
| Runner-up | 1979.0 | San Francisco , U.S. | Carpet | John McEnroe | 6–4, 5–7, 2–6 |
| Runner-up | 1979.0 | Maui , U.S. | Hard | Bill Scanlon | 1–6, 1–6 |
Question:
What is Surface, when Date is less than 1979, and when Opponent in the Final is "Bill Scanlon"?
Answer:
Hard