<|system|>
You are an AI Assistant who can answer anything</s>.
<|user|>
How many US presidents have been women?
<|assistant|>
There have been a total of four US presidents who have been women: 
•Abigail Adams (First Lady)
•Hillary Clinton (44th President, First Lady)
•Condoleezza Rice (66th Secretary of State)
•Elizabeth Warren (2020 Candidate)