Give you a statement and table with its title, please determine whether the statement is supported or refuted by, or is unrelated to the table. It'a ternary classification problem, you should choose the answer among supported, refuted and neutral. Table cells in one row are seperated by '|', and different rows are seperated by '
'. If cell value is a list, we use '	' to seperate each list element.

Table:
| Born | May 25, 1889  Kiev, Russian Empire (now Ukraine) |
| Birth name | Igor Ivanovich Sikorsky |
| Died | October 26, 1972 (aged 83)  Easton, Connecticut, United States |
| Nationality | Russian-American |
| Alma mater | Kiev Polytechnic Institute	ETACA (now ESTACA ) |
| Occupation | Aircraft designer |
| Known for | First successful mass-produced helicopter |
| Spouse(s) | Olga Fyodorovna Simkovitch	Elisabeth Semion |
| Children | 5 |
| Awards | Order of St. Vladimir	Howard N. Potts Medal  (1933)	Daniel Guggenheim Medal  (1951)	ASME Medal (1963)	Wright Brothers Memorial Trophy  (1966)	National Medal of Science  (1967)	John Fritz Medal  (1968) |
Title:
Igor Sikorsky
Statement:
Igor Sikorsky had four children.
Answer:
refuted