Table: election_results_1954_6
Columns: district
incumbent
party
first_elected
result
candidates

Question: Omar Burleson was the incumbent in what district? 
SQL: SELECT "district" FROM election_results_1954_6 WHERE "incumbent" = 'Omar Burleson'

Question: In what district was incumbent first elected in 1938? 
SQL: SELECT "district" FROM election_results_1954_6 WHERE "first_elected" = 1938