CREATE TABLE "list_of_earthquakes_in_21st_century" (
  "date" text,
  "time_utc" text,
  "epicenter" text,
  "magnitude" text,
  "depth" text,
  "intensity" text
);

Question: What is the depth of the quake that occurred at 19:48?
SQL: SELECT "depth" FROM "list_of_earthquakes_in_21st_century" WHERE "time_utc"='19:48';

Question: What is the magnitude with epicenter at Vrancea County, unknown intensity and which happened at 06:36?
SQL: SELECT "magnitude" FROM "list_of_earthquakes_in_21st_century" WHERE "epicenter"='vrancea county' AND "intensity"='unknown' AND "time_utc"='06:36';

Question: Where was the epicenter of the quake on December 1, 2012?
SQL: SELECT "epicenter" FROM "list_of_earthquakes_in_21st_century" WHERE "date"='december 1, 2012';