Execution example::

  > suggest --table item_query --column kana --types complete|correct|suggest --frequency_threshold 1 --query search
  [[0,1317212849.30453,0.001329747],{"complete":[[2],[["_key","ShortText"],["_score","Int32"]],["search",2],["search engine",2]],"correct":[[1],[["_key","ShortText"],["_score","Int32"]],["search",2]],"suggest":[[2],[["_key","ShortText"],["_score","Int32"]],["search engine",1],["web search realtime",1]]}]