CREATE TABLE "world_ranking_of_chemical_engineering_sc" (
  "school" text,
  "location" text,
  "pubs_2010" real,
  "totals_06_10" real,
  "rank_06_10" real,
  "pubs_2011" real,
  "totals_07_11" real,
  "rank_07_11" real,
  "world_ranking" text
);

Question: How many figures are there for Rank 07-11 when the world ranking is 4?
SQL: SELECT COUNT("rank_07_11") FROM "world_ranking_of_chemical_engineering_sc" WHERE "world_ranking"='4';

Question: How many figures are given for pubs 2011 in Chennai?
SQL: SELECT COUNT("pubs_2011") FROM "world_ranking_of_chemical_engineering_sc" WHERE "location"='Chennai';