Question: What was the candidates for Hardie Scott
SQL: SELECT "Candidates" FROM "1-1342198-38" WHERE "Incumbent" = 'Hardie Scott';

Question: What is the number of candidates for Pennsylvania 3
SQL: SELECT COUNT("Candidates") FROM "1-1342198-38" WHERE "District" = 'Pennsylvania 3';

Question: What is the number of candidates for Pennsylvania 21
SQL: SELECT COUNT("Candidates") FROM "1-1342198-38" WHERE "District" = 'Pennsylvania 21';

Question: What is the party for first elected 1948 for William T. Granahan
SQL: SELECT "Party" FROM "1-1342198-38" WHERE "First elected" = 1948.0 AND "Incumbent" = 'William T. Granahan';