What is the home ground for the team whose home city is Trondheim with 27 seasons?
CREATE TABLE table_27473 (
    "Team" text,
    "Home city" text,
    "Home ground" text,
    "In Toppserien since" real,
    "First appearance" real,
    "Seasons" real
)
SELECT "Home ground" FROM table_27473 WHERE "Seasons" = '27' AND "Home city" = 'Trondheim'
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 home ground for the team whose home city is Trondheim with 27 seasons? ### Input: CREATE TABLE table_27473 (
    "Team" text,
    "Home city" text,
    "Home ground" text,
    "In Toppserien since" real,
    "First appearance" real,
    "Seasons" real
) ### Response: SELECT "Home ground" FROM table_27473 WHERE "Seasons" = '27' AND "Home city" = 'Trondheim'