Table: gssac_schools
Columns: school
city
team_name
enrollment_08_09
ihsaa_class
county
year_joined
previous_counference

Question: What is the team name from Hammond Bishop Noll?
SQL: SELECT "team_name" FROM gssac_schools WHERE "school" = 'hammond bishop noll'

Question: What city has a team in IHSAA class 3a, and previous conference of lake?
SQL: SELECT "city" FROM gssac_schools WHERE "previous_counference" = 'lake' AND "ihsaa_class" = '3a'

Question: What is the average enrollment 08=09, for the team that had a previous conference of lake and IHSAA class of 3A?
SQL: SELECT AVG("enrollment_08_09") FROM gssac_schools WHERE "previous_counference" = 'lake' AND "ihsaa_class" = '3a'