Table: tv_station
Columns: virtual
physical
call_sign
branding
network
owner

Question: Name the call sign for the 17 physical
SQL: SELECT "call_sign" FROM tv_station WHERE "physical" = 17

Question: Name the branding for forum communications
SQL: SELECT "branding" FROM tv_station WHERE "owner" = 'Forum Communications'

Question: Name the number of branding for 31 physical
SQL: SELECT COUNT("branding") FROM tv_station WHERE "physical" = 31

Question: Name the number of virtual for NBC
SQL: SELECT COUNT("virtual") FROM tv_station WHERE "network" = 'NBC'

Question: Name the virtual for Fox
SQL: SELECT COUNT("virtual") FROM tv_station WHERE "network" = 'Fox'

Question: Name the owners for prairie public
SQL: SELECT COUNT("owner") FROM tv_station WHERE "branding" = 'Prairie Public'