code: @SuppressWarnings("unchecked")
      public static Sequence run(Query query, QueryableIndex index) {
          return findFactory(query).createRunner(new QueryableIndexSegment("", index)).run(query, null);
      }
docs: Executes a Query by identifying the appropriate QueryRunner
  
  @param query Query to execute
  @param index Index to execute query on
  @return Result of the query