Table: election_results_1960_2
Columns: district
incumbent
party
first_elected
result
candidates

Question: What district is incumbent albert rains from?
SQL: SELECT "district" FROM election_results_1960_2 WHERE "incumbent" = 'Albert Rains'

Question: How many candidates represent the district of kenneth a. roberts?
SQL: SELECT COUNT("candidates") FROM election_results_1960_2 WHERE "incumbent" = 'Kenneth A. Roberts'