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:
| Superlative | Actor | Record Set | Year | Notes |
| --- | --- | --- | --- | --- |
| Most Awards | Daniel Day-Lewis | 3 awards | 2012 | Awards resulted from 5 nominations. |
| Most Nominations | Spencer Tracy | 9 nominations | 1967 | Nominations resulted in 2 awards. |
| Most Nominations | Laurence Olivier | 9 nominations | 1978 | Nominations resulted in 1 award. |
| Oldest Winner | Henry Fonda | 76 years old | 1981 | On Golden Pond |
| Oldest Nominee | Richard Farnsworth | 79 years old | 1999 | The Straight Story |
| Youngest Winner | Adrien Brody | 29 years old | 2002 | The Pianist |
| Youngest Nominee | Jackie Cooper | 9 years old | 1930 / 31 | Skippy |
Question:
In what year had the oldest winner?
Answer:
1981.0