Table: college_hockey_teams_4
Columns: institution
location
founded
affiliation
enrollment
team_nickname
primary_conference
home_rink

Question: What primary conference does the team nicknamed Phoenix belongs to?
SQL: SELECT "primary_conference" FROM college_hockey_teams_4 WHERE "team_nickname" = 'phoenix'

Question: Where is the location for the home rink Triangle sports plex/Greensboro ice house?
SQL: SELECT "location" FROM college_hockey_teams_4 WHERE "home_rink" = 'triangle sports plex/greensboro ice house'