CREATE TABLE table_7100 ("Year" FLOAT, "Album" TEXT, "U.S." TEXT, "U.S. Christian" TEXT, "U.S. Indie" TEXT)

What is the U.S. Christian with a Year that is 1989?
SELECT "U.S. Christian" FROM table_7100 WHERE "Year" = '1989'
SELECT "U.S. Christian" FROM "table_7100" WHERE "Year" = '1989'