CREATE TABLE table_18604 ("District" TEXT, "Incumbent" TEXT, "Party" TEXT, "First elected" FLOAT, "Result" TEXT, "Candidates" TEXT)

Who are the contenders In the New York 29 polling area race?
SELECT "Candidates" FROM table_18604 WHERE "District" = 'New York 29'
SELECT "Candidates" FROM "table_18604" WHERE "District" = 'New York 29'