presto-google-sheets/src/main/java/io/prestosql/plugin/google/sheets/SheetsRecordCursor.java/SheetsRecordCursor/getBoolean
class SheetsRecordCursor:    @Override
    public boolean getBoolean(int field)
    {
        checkFieldType(field, BOOLEAN);
        return Boolean.parseBoolean(getFieldValue(field));
    }