CREATE TABLE table_64121 ("Date of release" TEXT, "Title" TEXT, "Billboard peak" TEXT, "RIAA cert." TEXT, "Label" TEXT)

What was the Billboard peak for the album released on February 2, 1976 by MCA?
SELECT "Billboard peak" FROM table_64121 WHERE "Label" = 'mca' AND "Date of release" = 'february 2, 1976'
SELECT "Billboard peak" FROM "table_64121" WHERE "Date of release" = 'february 2, 1976' AND "Label" = 'mca'