Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Lower Mississippi Periods | Lower Yazoo Phases | Lower Yazoo\nDates | Tensas/Natchez Phases | Cahokia Phases | Cahokia Dates | Ohio/Miss. River\nConfluence Phases | Ohio/Miss. Dates |
| --- | --- | --- | --- | --- | --- | --- | --- |
| Historic | Russell | 1650–1750 CE | Tensas / Natchez | Vacant\nQuarter | 1350 CE -\nEuropean Contact | Jackson | 1500-1650 CE |
| Plaquemine Mississippian culture\nLate Plaquemine/Mississippian\nMiddle Plaquemine/Mississippian\nEarly Plaquemine/Mississippian | Wasp Lake | 1400-1650 CE | Transylvania / Emerald | Vacant\nQuarter | 1350 CE -\nEuropean Contact | Jackson | 1500-1650 CE |
| Plaquemine Mississippian culture\nLate Plaquemine/Mississippian\nMiddle Plaquemine/Mississippian\nEarly Plaquemine/Mississippian | Lake George | 1300-1400 CE | Fitzhugh / Foster | Sand Prairie | 1275-1350 CE | Medley Phase | 1300-1500 CE |
| Plaquemine Mississippian culture\nLate Plaquemine/Mississippian\nMiddle Plaquemine/Mississippian\nEarly Plaquemine/Mississippian | Winterville | 1200-1300 CE | Routh / Anna | Moorehead | 1200-1275 CE | Dorena | 1100-1300 CE |
| Transitional Coles Creek | Crippen Point | 1050-1200 CE | Preston / Gordon | Lohmann\nSterling | 1050-1200 CE | Dorena | 1100-1300 CE |
| Coles Creek culture\nLate Coles Creek\nMiddle Coles Creek\nEarly Coles Creek | Kings Crossing | 950-1050 CE | Balmoral | Terminal Late\nWoodland | 900–1050 CE | James Bayou | 900-1100 CE |
| Coles Creek culture\nLate Coles Creek\nMiddle Coles Creek\nEarly Coles Creek | Aden | 800-950 CE | Ballina | Terminal Late\nWoodland | 900–1050 CE | James Bayou | 900-1100 CE |
| Coles Creek culture\nLate Coles Creek\nMiddle Coles Creek\nEarly Coles Creek | Bayland | 600-800 CE | Sundown | Late\nWoodland | 400–900 CE | Cane Hills\nBerkley | 600–900 CE\n400–600 CE |
| Baytown/Troyville\nBaytown 2\nBaytown 1 | Deasonville | 500-600 CE | Marsden | Late\nWoodland | 400–900 CE | Cane Hills\nBerkley | 600–900 CE\n400–600 CE |
| Baytown/Troyville\nBaytown 2\nBaytown 1 | Little Sunflower | 400-500 CE | Indian Bayou | Late\nWoodland | 400–900 CE | Cane Hills\nBerkley | 600–900 CE\n400–600 CE |
| Marksville culture\nLate Marksville\nEarly Marksville | Issaquena | 200-400 CE | Issaquena | Middle\nWoodland | 200 BCE - 400 CE | La Plant\nBurkett | 100 BCE-400 CE\n550-100 BCE |
| Marksville culture\nLate Marksville\nEarly Marksville | Anderson\nLanding | 0-200 CE | Point Lake/\nGrand Gulf | Middle\nWoodland | 200 BCE - 400 CE | La Plant\nBurkett | 100 BCE-400 CE\n550-100 BCE |
| Tchefuncte culture | Tuscola | 400 BCE-0 CE | Panther Lake | Middle\nWoodland | 200 BCE - 400 CE | La Plant\nBurkett | 100 BCE-400 CE\n550-100 BCE |
| Jaketown | Poverty Point | 700- 400 BCE | Frasier | Early Woodland | 700-200 BCE | O'Bryan Ridge | 700-550 BCE |
| - | Poverty Point | 1000-700 BCE | - | Late Archaic | 1000 - 200 BCE | O'Bryan Ridge | 700-550 BCE |
Question:
after 800 ce, how many other periods existed?
Answer:
3