user: Question: What's the total sum of points scored by the Brisbane Broncos?
Columns: ['Points', 'Score', 'Premiers', 'Runners Up', 'Details']
Types: ['real', 'text', 'text', 'text', 'text']
Sample row: [42.0, '42-14', 'South Sydney Rabbitohs', 'Manly-Warringah Sea Eagles', '1951 NSWRFL Grand Final']
SQL:

assistant: SELECT SUM("Points") FROM "Table" WHERE "Premiers" = 'Brisbane Broncos';