user: Question: How many object dates does episode #16 have?
Columns: ['Episode Number', 'Title & Link to Episode on YouTube', 'Origin', 'Object Date', 'Description', 'Te Papas Collections Online link', 'Host & Additional contributors']
Types: ['real', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: [2.0, 'Hei Tiki', 'New Zealand', 'Unknown', 'Jade Pedant ( Hei-tiki ) belonging to Guide Sophia', 'Hei tiki', 'Simon Morton & Dr Huhana Smith, Senior Curator']
SQL:

assistant: SELECT COUNT("Object Date") FROM "Table" WHERE "Episode Number" = 16.0;