What is the 1st leg score when US Mbila Nzambi is team 1?
CREATE TABLE table_name_3 (
    team_1 VARCHAR
)
SELECT 1 AS st_leg FROM table_name_3 WHERE team_1 = "us mbila nzambi"
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 1st leg score when US Mbila Nzambi is team 1? ### Input: CREATE TABLE table_name_3 (
    team_1 VARCHAR
) ### Response: SELECT 1 AS st_leg FROM table_name_3 WHERE team_1 = "us mbila nzambi"