Please give me all the alerts that I had set with my son on or before January 1st 2019.
[IN:GET_REMINDER Please give me [SL:AMOUNT all ] the alerts that [SL:PERSON_REMINDED I ] had set [SL:TODO [IN:GET_TODO with [SL:ATTENDEE [IN:GET_CONTACT [SL:CONTACT_RELATED my ] [SL:TYPE_RELATION son ] ] ] ] ] [SL:DATE_TIME on or before January 1st 2019 ] . ]