user: Question: Which HAAT has a Channels TV / RF of 31 (PSIP) 44 (UHF)
Columns: ['Station', 'City of license', 'Channels TV / RF', 'First air date', 'HAAT', 'Facility ID', 'Public license information']
Types: ['text', 'text', 'text', 'text', 'text', 'real', 'text']
Sample row: ['WMPB', 'Baltimore', '67 ( PSIP ) 29 ( UHF )', 'October 5, 1969', '309 m', 65944.0, 'Profile CDBS']
SQL:

assistant: SELECT "HAAT" FROM "Table" WHERE "Channels TV / RF" = '31 (PSIP) 44 (UHF)';