Table: parl_election_2009_gibraltar
Columns: party
votes_gib
votes_sw_eng
gib
sw_eng
change_sw_eng
seats

Question: What is the sum of votes for the green party?
SQL: SELECT SUM("votes_gib") FROM parl_election_2009_gibraltar WHERE "party" = 'green'

Question: What is the sum of votes of the party with a % of 0.53 and more than 0 seats?
SQL: SELECT SUM("votes_gib") FROM parl_election_2009_gibraltar WHERE "gib" = 0.53 AND "seats" > 0