CREATE TABLE "table1_28680377_2" (
  "no_in_series" real,
  "title" text,
  "directed_by" text,
  "written_by" text,
  "original_air_date" text,
  "u_s_viewers_million" text
);

Question: Who directed the episode titled "Playing the Cancer Car"?
SQL: SELECT "directed_by" FROM "table1_28680377_2" WHERE "title"='\"Playing the Cancer Car\"';

Question: What is the title of the episode watched by 0.88 million U.S. viewers?
SQL: SELECT "title" FROM "table1_28680377_2" WHERE "u_s_viewers_million"='0.88';

Question: How many millions of U.S. viewers watched the episode titled "New Beginnings"?
SQL: SELECT "u_s_viewers_million" FROM "table1_28680377_2" WHERE "title"='\"New Beginnings\"';

Question: Who directed the episode titled "Everything That Rises Must Converge"?
SQL: SELECT "directed_by" FROM "table1_28680377_2" WHERE "title"='\"Everything That Rises Must Converge\"';

Question: What is the original air date of the episode that was watched by 0.88 million U.S. viewers? 
SQL: SELECT "original_air_date" FROM "table1_28680377_2" WHERE "u_s_viewers_million"='0.88';