What is the lowest goals against value for a team with 83 points and a difference over 50?
CREATE TABLE table_name_31 (
    goals_against INTEGER,
    points VARCHAR,
    goal_difference VARCHAR
)
SELECT MIN(goals_against) FROM table_name_31 WHERE points = 83 AND goal_difference > 50
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 against value for a team with 83 points and a difference over 50? ### Input: CREATE TABLE table_name_31 (
    goals_against INTEGER,
    points VARCHAR,
    goal_difference VARCHAR
) ### Response: SELECT MIN(goals_against) FROM table_name_31 WHERE points = 83 AND goal_difference > 50