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:
| Name | Lifetime | Nationality | Notable as | Notes |
| --- | --- | --- | --- | --- |
| Paul Iacono | b. 1988 | American | Actor | G |
| Janis Ian | b. 1951 | American | Folk musician | L |
| Witi Ihimaera | b. 1944 | New Zealand | Author | G |
| William Inge | 1913–1973 | American | Playwright, novelist | G |
| Per Imerslund | 1912–1943 | Norwegian | Nazi socialist soldier, writer | G |
| John Inman | 1935–2007 | English | Actor | G |
| Daniela Iraschko-Stolz | b. 1983 | Austrian | Ski jumper | L |
| Doug Ireland | b. 1946 | American | Journalist, blogger | G |
| Jim Ireton | b. ? | American | Politician | G |
| Evelyn Irons | 1900–2000 | Scottish | Journalist | L |
| Håkan Isacson | 1958–2002 | Swedish | Intelligence agent | G |
| Richard Isay | b. 1934 | American | Author, psychiatrist | G |
| Sharon Isbin | b. 1956 | American | Classical musician | L |
| Taiga Ishikawa | b. 1974 | Japanese | Politician, activist | G |
| Sam Irvin | b. 1956 | American | Director | G |
| Elisabeth Irwin | 1880–1942 | American | Educator, psychologist, reformer | L |
| Christopher Isherwood | 1904–1986 | English | Author | G |
| Arturo Islas | 1938–1991 | American | Academic | G |
| Maja Ivarsson | b. 1979 | Swedish | Rock musician (The Sounds) | B |
| George Cecil Ives | 1867–1950 | British | Poet, writer, penal reformer, gay rights campaigner | G |
| James Ivory | b. 1928 | American | Filmmaker | G |
| Boris Izaguirre | b. 1965 | Venezuelan | Writer | G |
Question:
how many lesbians were born after 1950?
Answer:
3