What is the name of UMass Boston's softball stadium?
CREATE TABLE table_23254 (
    "School" text,
    "Baseball stadium" text,
    "Softball stadium" text,
    "Basketball arena" text,
    "Capacity" text
)
SELECT "Softball stadium" FROM table_23254 WHERE "School" = 'UMass Boston'
Below are sql tables schemas paired with instruction that describes a task. Using valid SQLite, write a response that appropriately completes the request for the provided tables. ### Instruction: What is the name of UMass Boston's softball stadium? ### Input: CREATE TABLE table_23254 (
    "School" text,
    "Baseball stadium" text,
    "Softball stadium" text,
    "Basketball arena" text,
    "Capacity" text
) ### Response: SELECT "Softball stadium" FROM table_23254 WHERE "School" = 'UMass Boston'