user: Question: What is the total number of Dates during which the Catalog NEBBC003 was given?
Columns: ['Region', 'Date', 'Label', 'Format', 'Catalog']
Types: ['text', 'real', 'text', 'text', 'text']
Sample row: ['Spain', 2003.0, 'Electropolis', 'vinyl , 12"', 'VLMX 1341-3']
SQL:

assistant: SELECT COUNT("Date") FROM "Table" WHERE "Catalog" = 'NEBBC003';