CREATE TABLE table_23180638_1 (oricon_albums_chart VARCHAR, debut_sales__copies_ VARCHAR)

Which charts had debut sales of 101976?
SELECT oricon_albums_chart FROM table_23180638_1 WHERE debut_sales__copies_ = 101976
SELECT "oricon_albums_chart" FROM "table_23180638_1" WHERE "debut_sales__copies_" = 101976