user: Question: What district did the Democratic party incumbent Stephen J. Solarz get first elected to in 1974?
Columns: ['District', 'Incumbent', 'Party', 'First elected', 'Result', 'Candidates']
Types: ['text', 'text', 'text', 'real', 'text', 'text']
Sample row: ['New York 11', 'James H. Scheuer', 'Democratic', 1974.0, 'Re-elected', 'James H. Scheuer (D) 78.5% Kenneth Huhn (R) 21.5%']
SQL:

assistant: SELECT "District" FROM "Table" WHERE "Party" = 'Democratic' AND "First elected" = 1974.0 AND "Incumbent" = 'Stephen J. Solarz';