มีหลักประกันสุขภาพไม่จำเป็นต้องใช้ทุกตาราง
having a health coverageIt is not neccessary to use all the tables.
 table_test_2:  "id" [ int]  "loss_of_consciousness" [ bool]  "gender" [ string]  "bleeding" [ int]  "systolic_blood_pressure_sbp" [ int]  "stroke" [ bool]  "renal_disease" [ bool]  "hemorrhagic_diathesis" [ bool]  "transient_ischemic_attack" [ bool]  "creatinine_clearance_cl" [ float]  "dementia" [ bool]  "glasgow_come_score_gcs" [ int]  "prior_creatinine" [ float]  "immunological_dysfunction" [ bool]  "diastolic_blood_pressure_dbp" [ int]  "health_coverage" [ bool]  "structural_cns_damage" [ bool]  "neoplasm" [ bool]  "av_malformation" [ bool]  "disorder" [ bool]  "aneurysm" [ bool]  "final_timi" [ int]  "hypertension" [ bool]  "NOUSE" [ float] 
SELECT * FROM table_test_2 WHERE health_coverage = 1