CREATE TABLE "table1_12722302_2" (
  "no" real,
  "title" text,
  "directed_by" text,
  "written_by" text,
  "bens_location" text,
  "original_air_date" text,
  "u_s_viewers_million" text
);

Question: What was the original air date for the episode with 3.90 u.s. viewers (millions)?
SQL: SELECT "original_air_date" FROM "table1_12722302_2" WHERE "u_s_viewers_million"='3.90';

Question: What is the original air date for no. 2?
SQL: SELECT "original_air_date" FROM "table1_12722302_2" WHERE "no"=2;

Question: Who directed "hot and bothered"?
SQL: SELECT "directed_by" FROM "table1_12722302_2" WHERE "title"='\"Hot and Bothered\"';

Question: Who directed the episode with 3.19 million u.s. viewers?
SQL: SELECT "directed_by" FROM "table1_12722302_2" WHERE "u_s_viewers_million"='3.19';