Question: What was the original air date for the episode with 3.90 u.s. viewers (millions)?
SQL: SELECT "Original air date" FROM "1-12722302-2" WHERE "U.S. viewers (million)" = '3.90';

Question: What is the original air date for no. 2?
SQL: SELECT "Original air date" FROM "1-12722302-2" WHERE "No." = 2.0;

Question: Who directed "Hot and Bothered"?
SQL: SELECT "Directed by" FROM "1-12722302-2" WHERE "Title" = '"Hot and Bothered"';

Question: Who directed the episode with 3.19 million u.s. viewers?
SQL: SELECT "Directed by" FROM "1-12722302-2" WHERE "U.S. viewers (million)" = '3.19';