CREATE TABLE "table1_22123920_4" (
  "dates_mdy" text,
  "gross_sales" text,
  "tickets_sold_available" text,
  "shows_sellout" text,
  "sellout_pct" text
);

Question: Between November 25–30, 2008 the sellout rate was at 75%, indicating that the ration between shows to sellout was what?
SQL: SELECT "shows_sellout" FROM "table1_22123920_4" WHERE "sellout_pct"='75%';

Question: During the period in which gross sales totals for "The Show Girl Must Go On" reached $2,628,457, what did the numbers show for tickets sold/ available at the box office? 
SQL: SELECT "tickets_sold_available" FROM "table1_22123920_4" WHERE "gross_sales"='$2,628,457';

Question: Which specific dates encompass the time period when "The Show Girl Must Go On" showed a gross sales figure total of $2,877,906?
SQL: SELECT "dates_mdy" FROM "table1_22123920_4" WHERE "gross_sales"='$2,877,906';