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:
| Club | Wins | Last Win | Runners-up | Last Runners-up |
| --- | --- | --- | --- | --- |
| Mohun Bagan AC | 14.0 | 2000-01 | 10.0 | 1987.0 |
| East Bengal Club | 10.0 | 1994 | 4.0 | 1988.0 |
| Hyderabad Police | 9.0 | 1963 | 1.0 | 1943.0 |
| Mohammedan Sporting Club | 6.0 | 1987 | 9.0 | 1991.0 |
| Dempo SC | 4.0 | 1986 | 1.0 | 1989.0 |
| Bangalore Muslims | 3.0 | 1948 | 2.0 | 1953.0 |
| Salgaocar SC | 3.0 | 1999 | 1.0 | 1985.0 |
Question:
What is the number of Last Runners-up that has the club name of dempo sc?
Answer:
1989.0