SELECT 
             c.COLUMN_NAME AS `Field`, 
             c.COLUMN_TYPE AS `Type`, 
             (CASE WHEN c.COLUMN_KEY = 'PRI' THEN 'PRIMARY' ELSE '' END) AS `Key`,
             (SELECT 
                 QUOTE(t.evidencias_value) 
              FROM 
                 (SELECT * FROM `evidencias` WHERE id = 1) AS t
              LIMIT 1) AS `Value` 
          FROM 
              INFORMATION_SCHEMA.COLUMNS c
          WHERE 
              c.TABLE_SCHEMA = 'papedins_db' AND c.TABLE_NAME = 'evidencias'