CREATE TABLE table_28844 ("District" TEXT, "Incumbent" TEXT, "Party" TEXT, "First elected" TEXT, "Result" TEXT, "Candidates" TEXT)

Who are the candidates for the Pennsylvania 11 district?
SELECT "Candidates" FROM table_28844 WHERE "District" = 'Pennsylvania 11'
SELECT "Candidates" FROM "table_28844" WHERE "District" = 'Pennsylvania 11'