CREATE TABLE table_name_24 (pronunciation_spelled_free VARCHAR, pronunciation_spelled_checked VARCHAR)

What is Pronunciation Spelled Free, when Pronunciation Spelled Checked is ' '?
SELECT pronunciation_spelled_free FROM table_name_24 WHERE pronunciation_spelled_checked = "ɑ"
SELECT "pronunciation_spelled_free" FROM "table_name_24" WHERE "pronunciation_spelled_checked" = "ɑ"