Question: what's the incumbent with district being Massachusetts 2
SQL: SELECT "Incumbent" FROM "1-1341604-22" WHERE "District" = 'Massachusetts 2';

Question: what's the party with candidates being Silvio Conte (R) Unopposed
SQL: SELECT "Party" FROM "1-1341604-22" WHERE "Candidates" = 'Silvio Conte (R) Unopposed';

Question: what's the first elected with incumbent being Joseph D. Early
SQL: SELECT "First elected" FROM "1-1341604-22" WHERE "Incumbent" = 'Joseph D. Early';

Question: who is the the incumbent with dbeingtrict being Massachusetts 2
SQL: SELECT "Incumbent" FROM "1-1341604-22" WHERE "District" = 'Massachusetts 2';

Question: what's the party with dbeingtrict being Massachusetts 3
SQL: SELECT "Party" FROM "1-1341604-22" WHERE "District" = 'Massachusetts 3';