text: IF OBJECT_ID('@cohort_database_schema.@cohort_table', 'U') IS NOT NULL
  	DROP TABLE @cohort_database_schema.@cohort_table;
  
  CREATE TABLE @cohort_database_schema.@cohort_table (
  	cohort_definition_id BIGINT,
  	subject_id BIGINT,
  	cohort_start_date DATE,
  	cohort_end_date DATE
  	);
  