Table:
text: WPXA-TV
Digital channels
Digital channels
Channel Video Aspect PSIP_Short_Name Network
14.1 720p 16:9 ION Ion Television
14.2 480i 4:3 qubo qubo
14.3 480i 4:3 IONLife Ion Life
14.4 480i 4:3 Shop Ion Shop
14.5 480i 4:3 QVC QVC

Question: What is the video ratio on channel 14.2 for WPXA-TV?

Question: Which network among WPXA-TV, WABC-TV, WGN-TV and WGN-TV has an aspect ratio of 4:3 and a PSIP nickname of qvc ?

Question: What is the short name of WPXA-TV in the PSIP of ion life network?

Question: What is the sum of channels for WPXA-TV's qubo network?