WITH cte1 AS(
 SELECT COUNT(*) cnt 
 FROM table1
 WHERE....
), cte2 AS(
 SELECT COUNT(*) cnt
 FROM table1
 WHERE....
), cte3 AS(
 SELECT COUNT(*) cnt
 FROM table 1
 WHERE....
)
SELECT cte1.cnt AS cte1, cte2.cnt AS cte2, cte3.cnt AS cte3
FROM cte1, cte2, cte3

SELECT
  (SELECT COUNT(*) FROM table1 WHERE....) as cte1,
  (SELECT COUNT(*) FROM table1 WHERE....) as cte2,
  (SELECT COUNT(*) FROM table1 WHERE....) as cte3