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 | Australian Open | French Open | Wimbledon | US Open |
| --- | --- | --- | --- | --- |
| Maureen Connolly Brinker | 1953.0 | 1953.0 | 1952.0 | 1951.0 |
| Doris Hart | 1949.0 | 1950.0 | 1951.0 | 1954.0 |
| Shirley Fry Irvin | 1957.0 | 1951.0 | 1956.0 | 1956.0 |
| Margaret Court | 1960.0 | 1962.0 | 1963.0 | 1962.0 |
| Billie Jean King | 1968.0 | 1972.0 | 1966.0 | 1967.0 |
| Chris Evert | 1982.0 | 1974.0 | 1974.0 | 1975.0 |
| Martina Navratilova | 1981.0 | 1982.0 | 1978.0 | 1983.0 |
| Steffi Graf | 1988.0 | 1987.0 | 1988.0 | 1988.0 |
| Serena Williams | 2003.0 | 2002.0 | 2002.0 | 1999.0 |
Question:
When did Shirley Fry Irvin win the US Open?
Answer:
1956.0