CREATE TABLE "table1_20704243_6" (
  "series_num" real,
  "season_num" real,
  "title" text,
  "directed_by" text,
  "written_by" text,
  "original_air_date" text,
  "u_s_viewers_in_millions" text
);

Question: What was the original air date for season 11?
SQL: SELECT "original_air_date" FROM "table1_20704243_6" WHERE "season_num"=11;

Question: What episode did John Rogers direct?
SQL: SELECT "title" FROM "table1_20704243_6" WHERE "directed_by"='John Rogers';

Question: Who directed the episode that aired on july15,2012?
SQL: SELECT "directed_by" FROM "table1_20704243_6" WHERE "original_air_date"='July15,2012';

Question: Which episode aired on august19,2012?
SQL: SELECT "title" FROM "table1_20704243_6" WHERE "original_air_date"='August19,2012';