At least how many cups of graham cracker crumbs does the recipe "Raspberry Chiffon Pie" need?
'graham cracker crumbs' is a name of an ingredient; 'Raspberry Chiffon Pie' refers to title
SELECT T2.min_qty FROM Recipe AS T1 INNER JOIN Quantity AS T2 ON T1.recipe_id = T2.recipe_id INNER JOIN Ingredient AS T3 ON T3.ingredient_id = T2.ingredient_id WHERE T1.title = 'Raspberry Chiffon Pie' AND T3.name = 'graham cracker crumbs'
CREATE TABLE Ingredient
(
    ingredient_id INTEGER
            primary key,
    category      TEXT,
    name          TEXT,
    plural        TEXT
);
CREATE TABLE Recipe
(
    recipe_id  INTEGER
            primary key,
    title      TEXT,
    subtitle   TEXT,
    servings   INTEGER,
    yield_unit TEXT,
    prep_min   INTEGER,
    cook_min   INTEGER,
    stnd_min   INTEGER,
    source     TEXT,
    intro      TEXT,
    directions TEXT
);
CREATE TABLE Nutrition
(
    recipe_id     INTEGER
            primary key,
    protein       REAL,
    carbo         REAL,
    alcohol       REAL,
    total_fat     REAL,
    sat_fat       REAL,
    cholestrl     REAL,
    sodium        REAL,
    iron          REAL,
    vitamin_c     REAL,
    vitamin_a     REAL,
    fiber         REAL,
    pcnt_cal_carb REAL,
    pcnt_cal_fat  REAL,
    pcnt_cal_prot REAL,
    calories      REAL,
    foreign key (recipe_id) references Recipe(recipe_id)
);
CREATE TABLE Quantity
(
    quantity_id   INTEGER
            primary key,
    recipe_id     INTEGER,
    ingredient_id INTEGER,
    max_qty       REAL,
    min_qty       REAL,
    unit          TEXT,
    preparation   TEXT,
    optional      TEXT,
    foreign key (recipe_id) references Recipe(recipe_id),
    foreign key (ingredient_id) references Ingredient(ingredient_id),
    foreign key (recipe_id) references Nutrition(recipe_id)
);
