CREATE TABLE "1960" (
  "title" text,
  "series" text,
  "director" text,
  "production_number" real,
  "release_date" text
);

Question: What is the production number of From Hare to Heir?
SQL: SELECT SUM("production_number") FROM "1960" WHERE "title"='from hare to heir';

Question: What is the Series number of the episode with a production number of 1547?
SQL: SELECT "series" FROM "1960" WHERE "production_number"=1547;

Question: What is the production number for the episode directed by Robert McKimson named Mice Follies?
SQL: SELECT COUNT("production_number") FROM "1960" WHERE "director"='robert mckimson' AND "title"='mice follies';