Question: How many incumbents are there in Pennsylvania 5?
SQL: SELECT COUNT("Incumbent") FROM "1-2668401-12" WHERE "District" = 'Pennsylvania 5';

Question: What are the parties listed for Pennsylvania 8?
SQL: SELECT "Party" FROM "1-2668401-12" WHERE "District" = 'Pennsylvania 8';

Question: Name the incumbent for candidates Joseph Hiester (DR) 83.2% Roswell Wells (F) 16.8%.
SQL: SELECT "Incumbent" FROM "1-2668401-12" WHERE "Candidates" = 'Joseph Hiester (DR) 83.2% Roswell Wells (F) 16.8%';

Question: What was the result for Andrew Gregg?
SQL: SELECT "Result" FROM "1-2668401-12" WHERE "Incumbent" = 'Andrew Gregg';

Question: What was the result for Pennsylvania 8?
SQL: SELECT "Result" FROM "1-2668401-12" WHERE "District" = 'Pennsylvania 8';