CREATE TABLE "artist" (
"Artist_ID" int,
"Name" text,
"Country" text,
"Year_Join" int,
"Age" int,
PRIMARY KEY ("Artist_ID")
)

CREATE TABLE "exhibition" (
"Exhibition_ID" int,
"Year" int,
"Theme" text,
"Artist_ID" int,
"Ticket_Price" real,
PRIMARY KEY ("Exhibition_ID"),
FOREIGN KEY (`Artist_ID`) REFERENCES `artist`(`Artist_ID`)
)

CREATE TABLE "exhibition_record" (
"Exhibition_ID" int,
"Date" text,
"Attendance" int,
PRIMARY KEY ("Exhibition_ID","Date"),
FOREIGN KEY (`Exhibition_ID`) REFERENCES `exhibition`(`Exhibition_ID`)
)
SELECT count(*) FROM artist WHERE age  >  46 AND year_join  >  1990
Count the number of artists who are older than 46 and joined after 1990.