CREATE TABLE "overlap_between_multiple_social_network_" (
  "site" text,
  "bebo" real,
  "facebook" real,
  "friendster" real,
  "linked_in" real,
  "my_space" real,
  "ning" real,
  "orkut" real,
  "plaxo" real
);

Question: What myspace has linkedin as the site, with an orkit greater than 3?
SQL: SELECT AVG("my_space") FROM "overlap_between_multiple_social_network_" WHERE "site"='linkedin' AND "orkut">3;

Question: How many linkedin have Facebook as the site, with a myspace less than 64?
SQL: SELECT COUNT("linked_in") FROM "overlap_between_multiple_social_network_" WHERE "site"='facebook' AND "my_space"<64;

Question: What is the highest Ning that has a bebo less than 4, an orkut less than 100, with a plaxo greater than 0?
SQL: SELECT MAX("ning") FROM "overlap_between_multiple_social_network_" WHERE "bebo"<4 AND "orkut"<100 AND "plaxo">0;

Question: What is the average plaxo that has a myspace greater than 64, a bebo greater than 3, with 4 as the friendster?
SQL: SELECT AVG("plaxo") FROM "overlap_between_multiple_social_network_" WHERE "my_space">64 AND "bebo">3 AND "friendster"=4;