Question: What were the Results in Arizona 1 District?
SQL: SELECT "Results" FROM "2-1805191-4" WHERE "District" = 'Arizona 1';

Question: What Republican District had Incumbent First Elected in 2000 then Re-elected?
SQL: SELECT "District" FROM "2-1805191-4" WHERE "Party" = 'Republican' AND "Results" = 'Re-elected' AND "First elected" = 2000.0;

Question: What is John Shadegg's First Elected date?
SQL: SELECT AVG("First elected") FROM "2-1805191-4" WHERE "Incumbent" = 'John Shadegg';