Table: south_carolina_universities
Columns: state_rank
national_rank
institution
location
public_or_private
endowment_funds
percentage_change_yoy

Question: Name the total number of rank for percentage change yoy 13.1%
SQL: SELECT COUNT("national_rank") FROM south_carolina_universities WHERE "percentage_change_yoy" = '13.1%'

Question: Name the percentage change yoy for presbyterian college
SQL: SELECT "percentage_change_yoy" FROM south_carolina_universities WHERE "institution" = 'Presbyterian College'

Question: Name the national rank for medical university of south carolina
SQL: SELECT "national_rank" FROM south_carolina_universities WHERE "institution" = 'Medical University of South Carolina'