CREATE TABLE "people" (
"People_ID" int,
"Name" text,
"Country" text,
"Is_Male" text,
"Age" int,
PRIMARY KEY ("People_ID")
)

CREATE TABLE "church" (
"Church_ID" int,
"Name" text,
"Organized_by" text,
"Open_Date" int,
"Continuation_of" text,
PRIMARY KEY ("Church_ID")
)

CREATE TABLE "wedding" (
"Church_ID" int,
"Male_ID" int,
"Female_ID" int,
"Year" int,
PRIMARY KEY ("Church_ID","Male_ID","Female_ID"),
FOREIGN KEY ("Church_ID") REFERENCES `church`("Church_ID"),
FOREIGN KEY ("Male_ID") REFERENCES `people`("People_ID"),
FOREIGN KEY ("Female_ID") REFERENCES `people`("People_ID")
)
SELECT T4.name FROM wedding AS T1 JOIN people AS T2 ON T1.male_id  =  T2.people_id JOIN people AS T3 ON T1.female_id  =  T3.people_id JOIN church AS T4 ON T4.church_id  =  T1.church_id WHERE T2.age  >  30 OR T3.age  >  30
Show the church names for the weddings of all people older than 30.