Table: election_results_1926_5
Columns: district
incumbent
party
first_elected
result
candidates

Question: What district does edward everett eslick represent?
SQL: SELECT "district" FROM election_results_1926_5 WHERE "incumbent" = 'Edward Everett Eslick'

Question: How many times was incumbent cordell hull first elected?
SQL: SELECT COUNT("first_elected") FROM election_results_1926_5 WHERE "incumbent" = 'Cordell Hull'

Question: How many times was the election joseph w. byrns, sr. (d) unopposed?
SQL: SELECT COUNT("result") FROM election_results_1926_5 WHERE "candidates" = 'Joseph W. Byrns, Sr. (D) Unopposed'