user: Question: Who was the ran as an incumbent leader first in 1818?
Columns: ['District', 'Incumbent', 'Party', 'First elected', 'Result', 'Candidates']
Types: ['text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['New York 1', 'Silas Wood', 'Adams', '1818', 'Re-elected', 'Silas Wood (A) 97.9% Tredwell Scudder 2.1%']
SQL:

assistant: SELECT "Incumbent" FROM "Table" WHERE "First elected" = '1818';