user: Question: When 2 is the ka-band how many properties are there?
Columns: ['Property', 'K-band', 'Ka-band', 'Q-band', 'V-band', 'W-band']
Types: ['text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['Central wavelength (mm)', '13', '9.1', '7.3', '4.9', '3.2']
SQL:

assistant: SELECT COUNT("Property") FROM "Table" WHERE "Ka-band" = '2';