What is the normal 2002 that has a Country of Peru, and 2007 bigger than 1,200?
CREATE TABLE "copper_production_thousands_tonnes" (
  "country" text,
  "2002" real,
  "2003" real,
  "2004" real,
  "2005" real,
  "2006" real,
  "2007" real,
  "2008" real,
  "2009" real,
  "2010" real,
  "2011" real
);
SELECT AVG("2002") FROM "copper_production_thousands_tonnes" WHERE "country"='peru' AND "2007">'1,200';