CREATE TABLE "table1_18064020_21" (
  "name" text,
  "gp_gs" text,
  "solo" real,
  "ast" real,
  "total" real,
  "tfl_yds" text,
  "no_yds" text,
  "br_up" real,
  "qbh" real,
  "no_yds" text,
  "avg" text,
  "td" real,
  "long" real,
  "rcv_yds" text,
  "ff" real,
  "blkd_kick" real
);

Question: How many tackle assists for the player who averages 23.7?
SQL: SELECT "ast" FROM "table1_18064020_21" WHERE "avg"='23.7';

Question: How many players named jake flaherty?
SQL: SELECT COUNT("solo") FROM "table1_18064020_21" WHERE "name"='Jake Flaherty';

Question: What is the total brup for the team?
SQL: SELECT "br_up" FROM "table1_18064020_21" WHERE "name"='Total';

Question: What is the largest number of tds scored for a player?
SQL: SELECT MAX("td") FROM "table1_18064020_21";

Question: How many yards for the player with tfl-yds of 2.5-4?
SQL: SELECT "no_yds" FROM "table1_18064020_21" WHERE "tfl_yds"='2.5-4';