user: Question: Name the call sign for the 17 physical
Columns: ['Virtual', 'Physical', 'Call sign', 'Branding', 'Network', 'Owner']
Types: ['real', 'real', 'text', 'text', 'text', 'text']
Sample row: [3.0, 22.0, 'KBME-TV', 'Prairie Public', 'PBS', 'Prairie Public Broadcasting']
SQL:

assistant: SELECT "Call sign" FROM "Table" WHERE "Physical" = 17.0;