user: Question: Who were the candidates in the election that featured incumbent Don Edwards?
Columns: ['District', 'Incumbent', 'Party', 'First elected', 'Result', 'Candidates']
Types: ['text', 'text', 'text', 'real', 'text', 'text']
Sample row: ['California 9', 'Don Edwards', 'Democratic', 1962.0, 'Re-elected', 'Don Edwards (D) 56.5% Larry Fargher (R) 43.5%']
SQL:

assistant: SELECT "Candidates" FROM "Table" WHERE "Incumbent" = 'Don Edwards';