Question: Can you see live harbor seals in Washington DC?, Answer:Yes, Description of Harbor seal: Species of mammal, Fact1: The Smithsonian National Zoo is in Washington DC., Fact2: There is a harbor seal exhibit at the Smithsonian National Zoo. 
Step1: Is there a zoo in Washington DC?, Step2: Is there a harbor seal exhibit at #1?, Wikipedia page for step 1: Smithsonian National Zoo, Wikipedia page for step 2: Smithsonian National Zoo, not_definitive_answer: False, incorrect_answer: False