code: func (db *DB) Count(sql string, args ...interface{}) (uint, error) {
  	r, err := db.Query(sql, args...)
  	if err != nil {
  		return 0, err
  	}
  
  	var n uint = 0
  	for r.Next() {
  		n++
  	}
  	r.Close()
  	return n, nil
  }
docs: // Execute a data query (SELECT) and return how many rows were returned