CREATE TABLE table_19302 ("District" TEXT, "Incumbent" TEXT, "Party" TEXT, "First elected" TEXT, "Result" TEXT, "Candidates" TEXT)

Who were the candidates in the election where John Beatty was the incumbent?
SELECT "Candidates" FROM table_19302 WHERE "Incumbent" = 'John Beatty'
SELECT "Candidates" FROM "table_19302" WHERE "Incumbent" = 'John Beatty'