Table: election_results_1978_3
Columns: district
incumbent
party
first_elected
result
candidates

Question: Which district has candidates is dick gephardt (d) 81.9% lee buchschacher (r) 18.1%?
SQL: SELECT "district" FROM election_results_1978_3 WHERE "candidates" = 'Dick Gephardt (D) 81.9% Lee Buchschacher (R) 18.1%'

Question: What is the result for the district missouri 2?
SQL: SELECT "result" FROM election_results_1978_3 WHERE "district" = 'Missouri 2'

Question: When was the first elected for district missouri 7?
SQL: SELECT MIN("first_elected") FROM election_results_1978_3 WHERE "district" = 'Missouri 7'

Question: When was the earliest first election?
SQL: SELECT MIN("first_elected") FROM election_results_1978_3

Question: How many times was the candidates dick gephardt (d) 81.9% lee buchschacher (r) 18.1%?
SQL: SELECT COUNT("incumbent") FROM election_results_1978_3 WHERE "candidates" = 'Dick Gephardt (D) 81.9% Lee Buchschacher (R) 18.1%'