Table: curling_2011_alberta
Columns: skip_club
w
l
pf
pa
ends_won
ends_lost
blank_ends
stolen_ends

Question: What is the highest L of the tournament?
SQL: SELECT MAX("l") FROM curling_2011_alberta

Question: What is the highest W of the 0 L?
SQL: SELECT MAX("w") FROM curling_2011_alberta WHERE "l" = 0