Table: essential_collection
Columns: region
date
label
format
catalog

Question: Which Format has a Label of columbia, and a Catalog smaller than 88697411432, and a Date of october 24, 2008?
SQL: SELECT "format" FROM essential_collection WHERE "label" = 'columbia' AND "catalog" < 88697411432 AND "date" = 'october 24, 2008'

Question: Which Catalog has a Date of july 15, 2011?
SQL: SELECT AVG("catalog") FROM essential_collection WHERE "date" = 'july 15, 2011'