CREATE TABLE "1990s" (
  "season" text,
  "total_td_s" real,
  "total_tc_s" real,
  "total_stc_s" real,
  "strongest_storm" text
);

Question: What is the total TD's of the strongest storm William that has a total TC's smaller than 2?
SQL: SELECT COUNT("total_td_s") FROM "1990s" WHERE "strongest_storm"='william' AND "total_tc_s"<2;

Question: What is the total number of TD's of the Gavin storm with a total STC's smaller than 6?
SQL: SELECT COUNT("total_td_s") FROM "1990s" WHERE "strongest_storm"='gavin' AND "total_stc_s"<6;