Table: gov_school_nsw_qz
Columns: school
suburb_town
years
founded
website

Question: What school year is vaucluse public school?
SQL: SELECT "years" FROM gov_school_nsw_qz WHERE "school" = 'vaucluse public school'

Question: What are the websites of schools that were founded in 1872?
SQL: SELECT "website" FROM gov_school_nsw_qz WHERE "founded" = 1872

Question: On average, when were vineyard schools founded?
SQL: SELECT AVG("founded") FROM gov_school_nsw_qz WHERE "suburb_town" = 'vineyard'