Table: macha_hockey_2
Columns: institution
location
founded
affiliation
enrollment
nickname

Question: How many people are enrolled in platteville, wi?
SQL: SELECT SUM("enrollment") FROM macha_hockey_2 WHERE "location" = 'platteville, wi'

Question: What is the team nickname of university of wisconsin-platteville?
SQL: SELECT "nickname" FROM macha_hockey_2 WHERE "institution" = 'university of wisconsin-platteville'