Table: olympic_weightlifting_women_58kg
Columns: world_record
snatch
chen_yanqing_chn
111kg
doha_qatar

Question: What is the Doha, Qatar when the snatch is total?
SQL: SELECT "doha_qatar" FROM olympic_weightlifting_women_58kg WHERE "snatch" = 'total'

Question: What shows for Chen Yanqing (CHN) when Doha, Qatar is —?
SQL: SELECT "chen_yanqing_chn" FROM olympic_weightlifting_women_58kg WHERE "doha_qatar" = '—'

Question: What is the Doha, Qatar when the snatch is clean & jerk?
SQL: SELECT "doha_qatar" FROM olympic_weightlifting_women_58kg WHERE "snatch" = 'clean & jerk'