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:
| Year | Winner | Jockey | Trainer | Owner | Breeder |
| --- | --- | --- | --- | --- | --- |
| 1919 | Sir Barton | Johnny Loftus | H. Guy Bedwell | J. K. L. Ross |  |
| 1930 | Gallant Fox | Earl Sande | Jim Fitzsimmons | Belair Stud | Belair Stud |
| 1935 | Omaha | Willie Saunders | Jim Fitzsimmons | Belair Stud | Belair Stud |
| 1937 | War Admiral | Charley Kurtsinger | George H. Conway | Samuel D. Riddle | Samuel D. Riddle |
| 1941 | Whirlaway | Eddie Arcaro | Ben A. Jones | Calumet Farm | Calumet Farm |
| 1943 | Count Fleet | Johnny Longden | Don Cameron | Fannie Hertz | Fannie Hertz |
| 1946 | Assault | Warren Mehrtens | Max Hirsch | King Ranch | King Ranch |
| 1948 | Citation | Eddie Arcaro | Horace A. Jones | Calumet Farm | Calumet Farm |
| 1973 | Secretariat | Ron Turcotte | Lucien Laurin | Meadow Stable | Meadow Stud |
| 1977 | Seattle Slew | Jean Cruguet | William H. Turner, Jr. | Karen L. Taylor | Ben S. Castleman |
| 1978 | Affirmed | Steve Cauthen | Laz Barrera | Harbor View Farm | Harbor View Farm |
Question:
in which year did seattle slew win the triple crown?
Answer:
1977