CREATE TABLE "table1_10701133_1" (
  "no_in_series" real,
  "no_in_season" real,
  "title" text,
  "directed_by" text,
  "written_by" text,
  "featured_character_s" text,
  "original_air_date" text,
  "u_s_viewers_million" text
);

Question: What is the title when original air date is may15,2008?
SQL: SELECT "title" FROM "table1_10701133_1" WHERE "original_air_date"='May15,2008';

Question: What is the highest no. in season?
SQL: SELECT MAX("no_in_season") FROM "table1_10701133_1";

Question: Who directed the episode where u.s. viewers (million) is 12.90?
SQL: SELECT "directed_by" FROM "table1_10701133_1" WHERE "u_s_viewers_million"='12.90';