Table: pittsburgh_penguins_1969_70_2
Columns: date
visitor
score
home
attendance
record
points

Question: Which Attendance has a Home of philadelphia, and Points smaller than 23?
SQL: SELECT SUM("attendance") FROM pittsburgh_penguins_1969_70_2 WHERE "home" = 'philadelphia' AND "points" < 23

Question: Which Visitor has a Record of 9–12–5?
SQL: SELECT "visitor" FROM pittsburgh_penguins_1969_70_2 WHERE "record" = '9–12–5'

Question: Which Date has a Visitor of boston?
SQL: SELECT "date" FROM pittsburgh_penguins_1969_70_2 WHERE "visitor" = 'boston'