which unit of power is affiliated with a measurement system that has magnetic field strength units, including ampere per metre?
Entity Entity Entity Entity
m.09hl5 g.1226mnjx m.02kdm16 g.120ylmh4
Watt Megawatt Milliwatt Kilowatt
class class entity
measurement_unit.power_unit measurement_unit.measurement_system m.02sj414
measurement_unit.power_unit measurement_unit.measurement_system measurement_unit.magnetic_field_strength_unit
Unit of Power Measurement System Ampere per metre
none none none
measurement_unit.power_unit.measurement_system measurement_unit.measurement_system.magnetic_field_strength_units
Measurement System Magnetic Field Strength Units
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 (?x0 AS ?value) WHERE {
SELECT DISTINCT ?x0  WHERE { 
?x0 :type.object.type :measurement_unit.power_unit . 
?x1 :type.object.type :measurement_unit.measurement_system . 
VALUES ?x2 { :m.02sj414 } 
?x0 :measurement_unit.power_unit.measurement_system ?x1 . 
?x1 :measurement_unit.measurement_system.magnetic_field_strength_units ?x2 . 
FILTER ( ?x0 != ?x1 && ?x0 != ?x2 && ?x1 != ?x2  )
}
}
(AND measurement_unit.power_unit (JOIN measurement_unit.power_unit.measurement_system (JOIN measurement_unit.measurement_system.magnetic_field_strength_units m.02sj414)))