CREATE TABLE table_50962 ("Title" TEXT, "Parent magazine" TEXT, "Magazine type" TEXT, "Frequency" TEXT, "Magazine run" TEXT)

What is the parent magazine of Dengeki g's festival! deluxe?
SELECT "Parent magazine" FROM table_50962 WHERE "Title" = 'dengeki g''s festival! deluxe'
SELECT "Parent magazine" FROM "table_50962" WHERE "Title" = 'dengeki g\'s festival! deluxe'