CREATE TABLE "stadium" (
"Stadium_ID" int,
"Location" text,
"Name" text,
"Capacity" int,
"Highest" int,
"Lowest" int,
"Average" int,
PRIMARY KEY ("Stadium_ID")
)

CREATE TABLE "singer" (
"Singer_ID" int,
"Name" text,
"Country" text,
"Song_Name" text,
"Song_release_year" text,
"Age" int,
"Is_male" bool,
PRIMARY KEY ("Singer_ID")
)

CREATE TABLE "concert" (
"concert_ID" int,
"concert_Name" text,
"Theme" text,
"Stadium_ID" text,
"Year" text,
PRIMARY KEY ("concert_ID"),
FOREIGN KEY ("Stadium_ID") REFERENCES "stadium"("Stadium_ID")
)

CREATE TABLE "singer_in_concert" (
"concert_ID" int,
"Singer_ID" text,
PRIMARY KEY ("concert_ID","Singer_ID"),
FOREIGN KEY ("concert_ID") REFERENCES "concert"("concert_ID"),
FOREIGN KEY ("Singer_ID") REFERENCES "singer"("Singer_ID")
)
SELECT T2.name ,  T2.location FROM concert AS T1 JOIN stadium AS T2 ON T1.stadium_id  =  T2.stadium_id WHERE T1.Year  =  2014 INTERSECT SELECT T2.name ,  T2.location FROM concert AS T1 JOIN stadium AS T2 ON T1.stadium_id  =  T2.stadium_id WHERE T1.Year  =  2015
What are the names and locations of the stadiums that had concerts that occurred in both 2014 and 2015?