CREATE TABLE table_18328 ("District" CLOB, "Incumbent" CLOB, "Party" CLOB, "First elected" FLOAT, "Result" CLOB, "Candidates" CLOB)

When was Stephen J. Solarz first elected?
SELECT MIN("First elected") FROM table_18328 WHERE "Incumbent" = 'Stephen J. Solarz'
SELECT MIN("First elected") FROM "table_18328" WHERE "Incumbent" = 'Stephen J. Solarz'