Table: college_lacrosse_teams_2
Columns: institution
location
founded
affiliation
enrollment
team_nickname
primary_conference

Question: When gray wolves is the team nickname how many institutions are there?
SQL: SELECT COUNT("institution") FROM college_lacrosse_teams_2 WHERE "team_nickname" = 'Gray Wolves'

Question: When sylvania, oh is the location what is the team nickname?
SQL: SELECT "team_nickname" FROM college_lacrosse_teams_2 WHERE "location" = 'Sylvania, OH'

Question: When indianapolis, indiana is the location what is the institution?
SQL: SELECT "institution" FROM college_lacrosse_teams_2 WHERE "location" = 'Indianapolis, Indiana'

Question: When private/ nonsectarian is the the affiliation what is the team nickname?
SQL: SELECT "team_nickname" FROM college_lacrosse_teams_2 WHERE "affiliation" = 'Private/ Nonsectarian'

Question: 4512 is the enrollment what is the team nickname?
SQL: SELECT "team_nickname" FROM college_lacrosse_teams_2 WHERE "enrollment" = 4512