SELECT DISTINCT(schedule.id), activity, schedule_dates.datetime_start, theme_id FROM schedule, schedule_dates, schedule_theme WHERE schedule_dates.schedule_id = schedule_theme.schedule_id AND theme_id = 0 AND schedule.id = schedule_dates.schedule_id AND LEFT(schedule_dates.datetime_start,8) >= '20120223' AND LEFT(schedule_dates.datetime_start,8) <= '20120301' ORDER BY datetime_start ASC LIMIT 3