What is the lowest goals for more than 30 games played?
CREATE TABLE table_45089 (
    "Position" real,
    "Played" real,
    "Points" real,
    "Wins" real,
    "Draws" real,
    "Losses" real,
    "Goals for" real,
    "Goals against" real,
    "Goal Difference" real
)
SELECT MIN("Goals for") FROM table_45089 WHERE "Played" > '30'
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 lowest goals for more than 30 games played? ### Input: CREATE TABLE table_45089 (
    "Position" real,
    "Played" real,
    "Points" real,
    "Wins" real,
    "Draws" real,
    "Losses" real,
    "Goals for" real,
    "Goals against" real,
    "Goal Difference" real
) ### Response: SELECT MIN("Goals for") FROM table_45089 WHERE "Played" > '30'