CREATE TABLE table_18433 ("District" CLOB, "Incumbent" CLOB, "Party" CLOB, "First elected" FLOAT, "Result" CLOB, "Candidates" CLOB)

Name the party for massachusetts 3
SELECT "Party" FROM table_18433 WHERE "District" = 'Massachusetts 3'
SELECT "Party" FROM "table_18433" WHERE "District" = 'Massachusetts 3'