DOCS-16574 SBE Only in Group and Lookup Stage (#5919) (#6058)

* DOCS-16574 SBE Only in Group and Lookup Stage

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Author: ajhuh-mdb

source/reference/sbe.txt

@@ -36,25 +36,16 @@ MongoDB uses the classic engine for queries that are ineligible for the
 Eligible Queries for the {+sbe-short-title+}
 ----------------------------------------------------
 
-MongoDB can use the {+sbe-short+} for the following queries:
+MongoDB determines eligibility for using the {+sbe-short+} on a per-query basis, 
+and considers support for each operator and expressions present in the query. 
+For example, two common pipelines that use {+sbe-short+} are aggregations with 
+:pipeline:`$group` or :pipeline:`$lookup` stages. However, support for the 
+{+sbe-short+} is version specific and actively changing.
 
-- :pipeline:`$group` and :pipeline:`$lookup` pipeline stages when
-  specific conditions are met. For more information, see
-  :ref:`sbe-pipeline-optimizations`.
+To see whether your query used the {+sbe-short+}, refer to the 
+:ref:`sbe-determine-query-engine` section.
 
-- :pipeline:`$match` and :pipeline:`$project` pipeline stages that use
-  supported query operators and expressions.
-
-- Certain :pipeline:`$sort` pipeline stages that do not include
-  :expression:`$meta` sorts.
-
-- :method:`~db.collection.find()` queries that use supported query
-  operators and expressions.
-
-.. note::
-
-   The {+sbe-short+} does not support :ref:`geospatial query operators
-   <query-operators-geospatial>`.
+.. _sbe-determine-query-engine:
 
 Determine which Query Engine was Used
 -------------------------------------
@@ -67,7 +58,8 @@ Check Query Explain Results
 
 The explain results for a query differ based on
 which query engine was used. For example, explain results for queries
-executed using the {+sbe-short+} include the ``explain.queryPlanner.winningPlan.slotBasedPlan`` field.
+executed using the {+sbe-short+} include the 
+``explain.queryPlanner.winningPlan.slotBasedPlan`` field.
 
 For more information about the differences in explain results between
 query engines, see :ref:`explain-output-structure`.