CREATE TABLE "between_50_million_and_100_million_copie" (
  "book_series" text,
  "author" text,
  "original_language" text,
  "no_of_installments" text,
  "first_published" text,
  "approximate_sales" text
);

Question: What is every original language for book series Little House on the Prairie?
SQL: SELECT "original_language" FROM "between_50_million_and_100_million_copie" WHERE "book_series"='Little House on the Prairie';

Question: What are all approximate sales for the author Laura Ingalls Wilder?
SQL: SELECT "approximate_sales" FROM "between_50_million_and_100_million_copie" WHERE "author"='Laura Ingalls Wilder';