CREATE TABLE table_18576 ("District" CLOB, "Incumbent" CLOB, "Party" CLOB, "First elected" FLOAT, "Result" CLOB, "Candidates" CLOB)

What is the party for new york 20?
SELECT "Party" FROM table_18576 WHERE "District" = 'New York 20'
SELECT "Party" FROM "table_18576" WHERE "District" = 'New York 20'