user: Question: Name the phoneme when the realizationis [ɑ]
Columns: ['Phoneme', 'Realization', 'Environment', 'Example', 'Gloss']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['/i/', '[i]', '#_X', '/ili/', "'to exist'"]
SQL:

assistant: SELECT "Phoneme" FROM "Table" WHERE "Realization" = '[ɑ]';