query: SELECT Police_force FROM county_public_safety WHERE LOCATION  =  "East" INTERSECT SELECT Police_force FROM county_public_safety WHERE LOCATION  =  "West"
question: Are Showing polouses force shared by counties location easts and wests.
query_toks: SELECT Police_force FROM county_public_safety WHERE LOCATION = `` East '' INTERSECT SELECT Police_force FROM county_public_safety WHERE LOCATION = `` West ''
query_toks_no_value: select police_force from county_public_safety where location = value intersect select police_force from county_public_safety where location = value
question_toks: Are Showing polouses force shared by counties location easts and wests.