Name the phoneme when the realizationis [ ]
CREATE TABLE table_57790 (
    "Phoneme" text,
    "Realization" text,
    "Environment" text,
    "Example" text,
    "Gloss" text
)
SELECT "Phoneme" FROM table_57790 WHERE "Realization" = '[ɑ]'
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: Name the phoneme when the realizationis [ ] ### Input: CREATE TABLE table_57790 (
    "Phoneme" text,
    "Realization" text,
    "Environment" text,
    "Example" text,
    "Gloss" text
) ### Response: SELECT "Phoneme" FROM table_57790 WHERE "Realization" = '[ɑ]'