Question: What was the value for deleted for CERCLIS ID of IL0210090049?
SQL: SELECT "Deleted" FROM "2-12769819-1" WHERE "CERCLIS ID" = 'IL0210090049';

Question: What is the date construction is completed in Jo Daviess county?
SQL: SELECT "Construction completed" FROM "2-12769819-1" WHERE "County" = 'Jo Daviess';