user: Question: What was the date for a catalog formatted in stereo LP?
Columns: ['Region', 'Date', 'Label', 'Format', 'Catalog']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['Japan', 'March 21, 1982', 'Alfa Records', 'stereo LP', 'ALR-20002']
SQL:

assistant: SELECT "Date" FROM "Table" WHERE "Format" = 'stereo LP';