CREATE TABLE table_28903 ("District" TEXT, "Incumbent" TEXT, "Party" TEXT, "First elected" TEXT, "Result" TEXT, "Candidates" TEXT)

how many times were the candidates thomas h. hubbard (dr) 51.5% simeon ford (f) 48.4%?
SELECT COUNT("Party") FROM table_28903 WHERE "Candidates" = 'Thomas H. Hubbard (DR) 51.5% Simeon Ford (F) 48.4%'
SELECT COUNT("Party") FROM "table_28903" WHERE "Candidates" = 'Thomas H. Hubbard (DR) 51.5% Simeon Ford (F) 48.4%'