SELECT
    my1.data AS PAW_ID,
    abc.abc_medium AS abc_Medium,
    my.data AS Trial_Date,
    my2.data AS Upgrade_Date,
    my3.lastmod AS Cancel_Date

123 | email | 1-1-2014 | 2-1-2014 | 3-1-2014
123 | banner| 4-1-2014 | 2-1-2014 | 3-1-2014

SELECT columnsIWant
FROM tables
JOIN otherTables ON conditions
JOIN (SELECT paw_id, MIN(created) AS minDate
      FROM def208
      GROUP BY paw_id) tempTable
   ON tempTable.paw_id = realTable.paw_id AND tempTable.minDate = realTable.created;