-- Database schema
| program : Program_ID [ INT ] primary_key , Name [ TEXT ] , Origin [ TEXT ] , Launch [ INT ] , Owner [ TEXT ] | channel : Channel_ID [ INT ] primary_key , Name [ TEXT ] , Owner [ TEXT ] , Share_in_percent [ INT ] , Rating_in_percent [ INT ] | broadcast : Channel_ID [ INT ] primary_key broadcast.Channel_ID = channel.Channel_ID , Program_ID [ INT ] broadcast.Program_ID = program.Program_ID , Time_of_day [ TEXT ] | broadcast_share : Channel_ID [ INT ] primary_key broadcast_share.Channel_ID = channel.Channel_ID , Program_ID [ INT ] broadcast_share.Program_ID = program.Program_ID , Date [ TEXT ] , Share_in_percent [ INT ] |
-- -- Which channels are broadcast in the morning? Give me the channel names.

SELECT t1.name FROM channel AS t1 JOIN broadcast AS t2 ON t1.channel_id  =  t2.channel_id WHERE t2.time_of_day  =  'Morning';