Question: Which party is associated with a leader who began his tenure on June 13, 2007?
SQL: SELECT "Party" FROM "2-12943367-1" WHERE "From" = 'June 13, 2007';

Question: What is the beginning date associated with an ending date of July 4, 2007?
SQL: SELECT "From" FROM "2-12943367-1" WHERE "Until" = 'July 4, 2007';

Question: Who had a function of explorator?
SQL: SELECT "Name" FROM "2-12943367-1" WHERE "Function" = 'explorator';

Question: What is the Until date associated with a beginning From date of July 5, 2007?
SQL: SELECT "Until" FROM "2-12943367-1" WHERE "From" = 'July 5, 2007';

Question: What is the Until date that has a party of VLD and a beginning from date of December 17, 2007?
SQL: SELECT "Until" FROM "2-12943367-1" WHERE "Party" = 'VLD' AND "From" = 'December 17, 2007';