Table: election_results_1970_3
Columns: district
incumbent
party
first_elected
result
candidates

Question: Which district elected incumbent Earle Cabell?
SQL: SELECT "district" FROM election_results_1970_3 WHERE "incumbent" = 'Earle Cabell'

Question: What was the result when Ray Roberts was elected?
SQL: SELECT "result" FROM election_results_1970_3 WHERE "incumbent" = 'Ray Roberts'