Who sang the song composed by Mariah Carey and Walter Afanasieff?
CREATE TABLE table_name_20 (
    performer_s_ VARCHAR,
    composer_s_ VARCHAR
)
SELECT performer_s_ FROM table_name_20 WHERE composer_s_ = "mariah carey and walter afanasieff"
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: Who sang the song composed by Mariah Carey and Walter Afanasieff? ### Input: CREATE TABLE table_name_20 (
    performer_s_ VARCHAR,
    composer_s_ VARCHAR
) ### Response: SELECT performer_s_ FROM table_name_20 WHERE composer_s_ = "mariah carey and walter afanasieff"