text: Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
  ### Context:
  CREATE TABLE table_name_94 (geohash_length INTEGER, lat_bits VARCHAR, km_error VARCHAR)
  ### Question:
  What is the lowest geohash length when the lat bits are less than 7, and the km error of ±2500?
  ### Answer:
  SELECT MIN(geohash_length) FROM table_name_94 WHERE lat_bits < 7 AND km_error = "±2500"