Table: uk_tv_channels
Columns: position
channel
analogue_terrestrial_channel
digital_terrestrial_channel
internet

Question: How many digital terrestrial channels are there for channel 4?
SQL: SELECT COUNT("digital_terrestrial_channel") FROM uk_tv_channels WHERE "channel" = 'Channel 4'

Question: What is the channel that is on digital terrestrial channel 10?
SQL: SELECT "channel" FROM uk_tv_channels WHERE "digital_terrestrial_channel" = '10'

Question: What is the digital terrestria channel number for itv3?
SQL: SELECT "digital_terrestrial_channel" FROM uk_tv_channels WHERE "channel" = 'ITV3'

Question: What is the position of digital channel 5 44 (+1)?
SQL: SELECT "position" FROM uk_tv_channels WHERE "digital_terrestrial_channel" = '5 44 (+1)'