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:
| # | Player | Age | Australian Open | French Open | Wimbledon | US Open |
| --- | --- | --- | --- | --- | --- | --- |
| 1.0 | Maureen Connolly Brinker | 18 years 254 days | 1953.0 | 1953.0 | 1952.0 | 1951.0 |
| 2.0 | Doris Hart | 28 years 359 days | 1949.0 | 1950.0 | 1951.0 | 1954.0 |
| 3.0 | Shirley Fry Irvin | 29 years 211 days | 1957.0 | 1951.0 | 1956.0 | 1956.0 |
| 4.0 | Margaret Court | 20 years 353 days | 1960.0 | 1962.0 | 1963.0 | 1962.0 |
| 5.0 | Billie Jean King | 28 years 241 days | 1968.0 | 1972.0 | 1966.0 | 1967.0 |
| 6.0 | Chris Evert | 28 years 357 days | 1982.0 | 1974.0 | 1974.0 | 1975.0 |
| 7.0 | Martina Navratilova | 26 years 328 days | 1981.0 | 1982.0 | 1978.0 | 1983.0 |
| 8.0 | Steffi Graf | 19 years 89 days | 1988.0 | 1987.0 | 1988.0 | 1988.0 |
| 9.0 | Serena Williams | 21 years 121 days | 2003.0 | 2002.0 | 2002.0 | 1999.0 |
Question:
When was the Australian open?
Answer:
2003.0