How many ingredients must be rationed in the recipe "Raspberry Chiffon Pie"?
Raspberry Chiffon Pie refers to title; ingredient must be rationed refers to max_qty = min_qty
SELECT COUNT(*) FROM Recipe AS T1 INNER JOIN Quantity AS T2 ON T1.recipe_id = T2.recipe_id WHERE T1.title = 'Raspberry Chiffon Pie' AND T2.max_qty = T2.min_qty