Table: anhui_satellite_tv
Columns: name
hanzi
origin
launch
owner

Question: What is the earliest launch that was from Beijing?
SQL: SELECT MIN("launch") FROM anhui_satellite_tv WHERE "origin" = 'beijing'

Question: With a Hanzi of 深圳卫视, what is the name?
SQL: SELECT "name" FROM anhui_satellite_tv WHERE "hanzi" = '深圳卫视'

Question: Who is the owner of  the object launched after 1997 and a Hanzi of 厦门卫视?
SQL: SELECT "owner" FROM anhui_satellite_tv WHERE "launch" > 1997 AND "hanzi" = '厦门卫视'