query: SELECT sum(Share_in_percent) FROM channel WHERE OWNER  =  'CCTV'
question: What that total share ( percent) all channel owned by CCTV?
query_toks: SELECT sum ( Share_in_percent ) FROM channel WHERE OWNER = 'CCTV '
query_toks_no_value: select sum ( share_in_percent ) from channel where owner = value
question_toks: What that total share ( percent) all channel owned by CCTV?