CREATE TABLE table_18293 ("District" CLOB, "Incumbent" CLOB, "Party" CLOB, "First elected" FLOAT, "Result" CLOB, "Candidates" CLOB)

who is the the incumbent with dbeingtrict being massachusetts 2
SELECT "Incumbent" FROM table_18293 WHERE "District" = 'Massachusetts 2'
SELECT "Incumbent" FROM "table_18293" WHERE "District" = 'Massachusetts 2'