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 | ( 1908-05-23 ) May 23, 1908  Madison, Wisconsin, U.S. |
| Died | January 30, 1991 (1991-01-30)  (aged 82)  Boston, Massachusetts, U.S. |
| Residence | United States |
| Nationality | American |
| Alma mater | University of Wisconsin  (B.S., 1928)	University of Wisconsin  (M.S., 1929)	Princeton University  (Ph.D., 1936) |
| Known for | Transistor	BCS theory	Superconductivity |
| Spouse(s) | Jane Maxwell ( m. 1938-1991) |
| Children | James M. Bardeen (b. 1939)	William A. Bardeen (b. 1941)	Elizabeth Greytak (1944-2000) |
| Awards | Stuart Ballantine Medal (1952)	Oliver E. Buckley Condensed Matter Prize (1954)	Nobel Prize in Physics (1956)	National Medal of Science (1965)	IEEE Medal of Honor (1971)	Nobel Prize in Physics (1972)	ForMemRS (1973)	Lomonosov Gold Medal (1987)	Harold Pender Award (1988) |
| Fields | Physics |
| Institutions | Bell Telephone Laboratories	University of Illinois at Urbana-Champaign |
| Thesis | Quantum Theory of the Work Function (1936) |
| Doctoral advisor | Eugene Wigner |
| Doctoral students | William L. McMillan	John Robert Schrieffer	Nick Holonyak |
Title:
John Bardeen
Statement:
John Bardeen died of a heart attack in 1991.
Answer:
neutral