Question: When was construction completed that was listed on 09/21/1984 and a Deleted of 11/04/1999?
SQL: SELECT "Construction completed" FROM "2-15732843-1" WHERE "Listed" = '09/21/1984' AND "Deleted" = '11/04/1999';

Question: What is the partially deleted result for a completed construction of m– in St. Maries Creosote?
SQL: SELECT "Partially deleted" FROM "2-15732843-1" WHERE "Construction completed" = '–' AND "Name" = 'St. Maries Creosote';

Question: What is the partially deleted result for Bunker Hill Mining & Metallurgical?
SQL: SELECT "Partially deleted" FROM "2-15732843-1" WHERE "Name" = 'Bunker Hill Mining & Metallurgical';

Question: What is the partially deleted result for a deleted of m– in Valley?
SQL: SELECT "Partially deleted" FROM "2-15732843-1" WHERE "Deleted" = '–' AND "County" = 'Valley';