JQL to identify MTU issue where a single event caused an overage

[Win] MTU Overage - Single Event.js

function main() {

	return Events({
			/* Dec */
			from_date: "2018-12-01",
			to_date: "2018-12-31",
		// 	/* Jan */
		// 	from_date: "2019-01-01",
		// 	to_date: "2019-01-31",
		// 	/* Feb */
		// 	from_date: "2019-02-01",
		// 	to_date: "2019-02-28",
			event_selectors: [{
				event: ''
			}]
		})
		// .groupByUser(["name"], mixpanel.reducer.count())
		.groupByUser(function(state, event) {
			//Beginning state is Event only is true
			state = state || {
				OptInOnly: true
			};
			_.each(event, function(event) {
				if (event.name !== '$opt_in') {
					state.OptInOnly = false;
				}
			});
			return state;
		})
		.filter(function(item) {
			return item.value.OptInOnly === true
		})
		.reduce(mixpanel.reducer.count())

}

[Win] MTU Overage - Three Events.js

function main() {
  return Events({
    from_date: '2019-02-01',
    to_date:   '2019-02-28',
    event_selectors: [{
                selector: 'not (event["$event_name"] == "$campaign_delivery" \
                    or event["$event_name"] == "$campaign_bounced" \
                    or event["$event_name"] == "$campaign_marked_spam" \
                    or event["$event_name"] == "$journey_entered" \
                    or event["$event_name"] == "$message_suppressed" \
                    or event["$event_name"] == "$unsubscribe")'
            }]
  })
  .groupByUser(function(state, events){
    state = state || {count: 0, hasDoneOptedIn: 0};
    
    _.each(events,function(e){
      state.count++;
      if(e.name === '$opt_in'){
        state.hasDoneOptedIn = true;
      }
    });
    
    return state;
  })
  .filter(function(e){ return e.value.hasDoneOptedIn && e.value.count == 3 })
  .reduce(mixpanel.reducer.count());
}

[Win] Opt-In Only 2.js

function main() {
  return Events({
      from_date: "2019-02-01",
      to_date: "2019-02-28",
  })
  .filter(function(e) {
    return e.distinct_id === "0000BE16-B10F-495F-A800-2DDB0E126684"
  })
}