Subquery expression support a "Simple" version with only a pattern: ```cypher MATCH (person:Person) WHERE EXISTS { (person)-[:HAS_DOG]->(:Dog) } RETURN person.name AS name ``` - [ ] [EXISTS](https://neo4j.com/docs/cypher-manual/5/subqueries/existential/#existential-simple) - [ ] [COUNT](https://neo4j.com/docs/cypher-manual/5/subqueries/count/#count-simple)