\set ECHO none
add_provenance

(1 row)
remove_provenance

(1 row)
g|s|mn|mx|av|cv|cs
1|30 (*)|10 (*)|20 (*)|15.0000000000000000 (*)|2 (*)|3 (*)
(1 row)
add_provenance

(1 row)
add_provenance

(1 row)
remove_provenance

(1 row)
having|p
count(q.k)=0|0.2500
(1 row)
remove_provenance

(1 row)
having|p
count(q.k)>=1|0.7500
(1 row)
remove_provenance

(1 row)
having|p
count(q.k)<=1|0.7500
(1 row)
remove_provenance

(1 row)
having|p
count(*)<=1|0.7500
(1 row)