Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE Student (advisor VARCHAR); CREATE TABLE Faculty (rank VARCHAR, FacID VARCHAR)
### Question:
Show all the faculty ranks and the number of students advised by each rank.
### Answer:
SELECT T1.rank, COUNT(*) FROM Faculty AS T1 JOIN Student AS T2 ON T1.FacID = T2.advisor GROUP BY T1.rank