user: Question: What is the short name for a channelgreater than 63.4?
Columns: ['Channel', 'Video', 'Aspect', 'PSIP Short Name', 'Programming']
Types: ['real', 'text', 'text', 'text', 'text']
Sample row: [63.1, '480i', '4:3', 'TBN', 'Main TBN programming']
SQL:

assistant: SELECT "PSIP Short Name" FROM "Table" WHERE "Channel" > 63.4;