Execution example::

  logical_count \
    --logical_table Entries \
    --shard_key created_at \
    --columns[is_popular].stage initial \
    --columns[is_popular].type Bool \
    --columns[is_popular].value 'n_likes >= 10' \
    --filter is_popular
  # [[0, 1337566253.89858, 0.000355720520019531], 2]
