what is the number of chromosomes in the escherichia coli str. k-12 substr. mg1655 genome?
Value
1
class entity
biology.chromosome m.0j_j2pr
biology.chromosome biology.genome
Chromosome Escherichia coli str. K-12 substr. MG1655 Genome
count none
biology.chromosome.genome
Genome
PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#> PREFIX : <http://rdf.freebase.com/ns/> 
SELECT (COUNT(?x0) AS ?value) WHERE {
SELECT DISTINCT ?x0  WHERE { 
?x0 :type.object.type :biology.chromosome . 
VALUES ?x1 { :m.0j_j2pr } 
?x0 :biology.chromosome.genome ?x1 . 
FILTER ( ?x0 != ?x1  )
}
}
(COUNT (AND biology.chromosome (JOIN biology.chromosome.genome m.0j_j2pr)))