Table: cross_point_album_sales
Columns: region
date
label
format
catalog

Question: Which catalog was published on December 19, 2001?
SQL: SELECT "catalog" FROM cross_point_album_sales WHERE "date" = 'december 19, 2001'

Question: What is the label for October 21, 1981?
SQL: SELECT "label" FROM cross_point_album_sales WHERE "date" = 'october 21, 1981'

Question: What is the date for Catalog Alca-9201?
SQL: SELECT "date" FROM cross_point_album_sales WHERE "catalog" = 'alca-9201'

Question: What is the format for July 27, 1994?
SQL: SELECT "format" FROM cross_point_album_sales WHERE "date" = 'july 27, 1994'

Question: What is the date of the label Alfa records, a CD format, and an alca-9201 catalog?
SQL: SELECT "date" FROM cross_point_album_sales WHERE "label" = 'alfa records' AND "format" = 'cd' AND "catalog" = 'alca-9201'

Question: What catalog has the CD format?
SQL: SELECT "catalog" FROM cross_point_album_sales WHERE "format" = 'cd'