Question: How many schools have an enrollment of 850?
SQL: SELECT COUNT("Founded") FROM "1-11318462-29" WHERE "Enrolment" = 850.0;

Question: What is the location of the school named Brisbane Girls' Grammar School?
SQL: SELECT "Location" FROM "1-11318462-29" WHERE "School" = 'Brisbane Girls'' Grammar School';

Question: How many schools are located in South Brisbane?
SQL: SELECT COUNT("School") FROM "1-11318462-29" WHERE "Location" = 'South Brisbane';

Question: When was SPLC founded?
SQL: SELECT MIN("Founded") FROM "1-11318462-29" WHERE "Abbreviation" = 'SPLC';

Question: What is the enrollment of STM which has been in competition since 1990?
SQL: SELECT COUNT("Enrolment") FROM "1-11318462-29" WHERE "In competition since" = 1990.0 AND "Abbreviation" = 'STM';