CREATE TABLE "record_vs_big_12_opponents" (
  "missouri_vs" text,
  "overall_record" text,
  "at_columbia" text,
  "at_opponents_venue" text,
  "at_neutral_site" text,
  "last_5_meetings" text,
  "last_10_meetings" text,
  "current_streak" text,
  "during_time_in_big_12" text
);

Question: Name the total number of opponets venue for oklahoma
SQL: SELECT COUNT("at_opponents_venue") FROM "record_vs_big_12_opponents" WHERE "missouri_vs"='Oklahoma';

Question: Name the total number of last 5 meetings for texas tech
SQL: SELECT COUNT("last_5_meetings") FROM "record_vs_big_12_opponents" WHERE "missouri_vs"='Texas Tech';