Table:
text: Diamonds for Breakfast
Release history
Release history
Release_format Country Label Cat_No_ Release_date
Vinyl West Germany Ariola 203 265-320 1980
Cassette West Germany Ariola 401 265-352 1980
Vinyl West Germany Ariola 302 208 1980
Vinyl Spain Ariola 1-201265 1980
Vinyl Canada Quality Sv 2070 1980
Vinyl Yugoslavia RTB St 2220164 1980
Vinyl Italy Rca Victor PL 31503 1980
Cassette Italy Rca Victor PK 31503 1980
Vinyl Portugal Ariola 72 877 1980
Vinyl United Kingdom Ariola ARL 5051 1980
Vinyl Worldwide Ariola 201 265-352 1980

Question: How many Diamonds for Breakfast release dates has Canada had?