user: Question: What district is James Humphrey from who was first elected in 1858 and was eventually Defeated Democratic Gain?
Columns: ['District', 'Incumbent', 'Party', 'First elected', 'Result']
Types: ['text', 'text', 'text', 'real', 'text']
Sample row: ['New York 1', 'Luther C. Carter', 'Republican', 1858.0, 'Defeated Democratic Gain']
SQL:

assistant: SELECT "District" FROM "Table" WHERE "First elected" = 1858.0 AND "Result" = 'Defeated Democratic Gain' AND "Incumbent" = 'James Humphrey';