Question: What is the result when 13 is the week?
SQL: SELECT "Result" FROM "2-13834389-1" WHERE "Week" = 13.0;

Question: What average week has Shea Stadium as the game site, and 1979-12-09 as the date?
SQL: SELECT AVG("Week") FROM "2-13834389-1" WHERE "Game site" = 'Shea Stadium' AND "Date" = '1979-12-09';