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CREATE TABLE
INSERT 0 1
INSERT 0 1
INSERT 0 1
INSERT 0 1
INSERT 0 1
INSERT 0 1
INSERT 0 1
INSERT 0 1
INSERT 0 1
INSERT 0 1
| alphabet_letter | is_selected |
|---|---|
| C | f |
| D | t |
| E | f |
| H | f |
| I | t |
| J | f |
SELECT 6