user: Question: What is the label from 1973 that has a catalog number of L 35023?
Columns: ['Region', 'Date', 'Label', 'Format', 'Catalog']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['United Kingdom', '26 October 1973', 'Chrysalis Records', 'stereo LP', 'CHR 1047']
SQL:

assistant: SELECT "Label" FROM "Table" WHERE "Date" = '1973' AND "Catalog" = 'L 35023';