Table: election_results_2006_3
Columns: district
incumbent
party
first_elected
results
candidates

Question: In the district of Pennsylvania 1, what is the total number of political parties?
SQL: SELECT COUNT("party") FROM election_results_2006_3 WHERE "district" = 'Pennsylvania 1'

Question: What year was Tim Holden first elected?
SQL: SELECT MIN("first_elected") FROM election_results_2006_3 WHERE "incumbent" = 'Tim Holden'

Question: How many parties were first elected in 1994?
SQL: SELECT COUNT("party") FROM election_results_2006_3 WHERE "first_elected" = 1994

Question: In district Pennsylvania 11, what was the total numbers of results?
SQL: SELECT COUNT("results") FROM election_results_2006_3 WHERE "district" = 'Pennsylvania 11'