-- Database schema
| Activity : actid [ INT ] primary_key , activity_name [ TEXT ] | Participates_in : stuid [ INT ] Participates_in.stuid = Student.StuID , actid [ INT ] Participates_in.actid = Activity.actid | Faculty_Participates_in : FacID [ INT ] Faculty_Participates_in.FacID = Faculty.FacID , actid [ INT ] Faculty_Participates_in.actid = Activity.actid | Student : StuID [ INT ] primary_key , LName [ TEXT ] , Fname [ TEXT ] , Age [ INT ] , Sex [ TEXT ] , Major [ INT ] , Advisor [ INT ] , city_code [ TEXT ] | Faculty : FacID [ INT ] primary_key , Lname [ TEXT ] , Fname [ TEXT ] , Rank [ TEXT ] , Sex [ TEXT ] , Phone [ INT ] , Room [ TEXT ] , Building [ TEXT ] |
-- -- How many activities do we have?

SELECT count(*) FROM Activity;