CREATE TABLE table_18430 ("District" CLOB, "Incumbent" CLOB, "Party" CLOB, "First elected" FLOAT, "Result" CLOB, "Candidates" CLOB)

Name the candidates for massachusetts 6
SELECT "Candidates" FROM table_18430 WHERE "District" = 'Massachusetts 6'
SELECT "Candidates" FROM "table_18430" WHERE "District" = 'Massachusetts 6'