Tidying up koan08a after a sed and snippet processing problem

src/koan/java/org/neo4j/tutorial/Koan08a.java

@@ -84,27 +84,25 @@ public void shouldSizeTheDoctorWhoDataset()
         // But as of Neo4j 1.7, Cypher can do it too...
 
         ExecutionEngine engine = new ExecutionEngine(universe.getDatabase());
-        String cql = null;
+        String cqlNodes = null;
+        String cqlRels = null;
         long items = 0;
 
         // YOUR CODE GOES HERE
         // SNIPPET_START
 
-        cql = "start nodes=node(*) "//, r=relationship(*) "
+        cqlNodes = "start nodes=node(*) "//, r=relationship(*) "
                 + "return count(nodes)";
-        ExecutionResult result = engine.execute(cql);
-        items += ((Long)result.javaColumnAs("count(nodes)").next()).longValue();
 
-        cql = "start rels=relationship(*) "
+        cqlRels = "start rels=relationship(*) "
             + "return count(rels)";
 
         // SNIPPET_END
+        ExecutionResult nodesResult = engine.execute(cqlNodes);
+        items += ((Long)nodesResult .javaColumnAs("count(nodes)").next()).longValue();
 
-        result = engine.execute(cql);
-        items += ((Long)result.javaColumnAs("count(rels)").next()).longValue();
-
-
-
+        ExecutionResult  relsResult = engine.execute(cqlRels);
+        items += ((Long)relsResult.javaColumnAs("count(rels)").next()).longValue();
 
         assertEquals(3354, items);
     }