Question: What is Livorno's average election?
SQL: SELECT AVG("Election") FROM "2-18568417-4" WHERE "Municipality" = 'Livorno';

Question: Which Election has a Party of Democratic Party, and a Mayor of Leonardo Betti?
SQL: SELECT MAX("Election") FROM "2-18568417-4" WHERE "Party" = 'Democratic Party' AND "Mayor" = 'Leonardo Betti';

Question: Which Inhabitants have a Mayor of matteo renzi, and an Election larger than 2009?
SQL: SELECT MIN("Inhabitants") FROM "2-18568417-4" WHERE "Mayor" = 'matteo renzi' AND "Election" > 2009.0;

Question: Which Inhabitants have a Party of democratic party, and a Municipality of florence, and an Election smaller than 2009?
SQL: SELECT MIN("Inhabitants") FROM "2-18568417-4" WHERE "Party" = 'democratic party' AND "Municipality" = 'florence' AND "Election" < 2009.0;