Table: election_results_1996_7
Columns: district
incumbent
party
first_elected
result
candidates

Question:  how many party with district being washington 7
SQL: SELECT COUNT("party") FROM election_results_1996_7 WHERE "district" = 'Washington 7'

Question: what's the latest first elected year
SQL: SELECT MAX("first_elected") FROM election_results_1996_7

Question: what's the result with district being washington 7
SQL: SELECT "result" FROM election_results_1996_7 WHERE "district" = 'Washington 7'

Question: what being the minimum first elected with district being washington 7
SQL: SELECT MIN("first_elected") FROM election_results_1996_7 WHERE "district" = 'Washington 7'