CREATE TABLE table_51087 ("Tie no" CLOB, "Home team" CLOB, "Score" CLOB, "Away team" CLOB, "Date" CLOB)

What is Date, when Away Team is 'Gillingham'?
SELECT "Date" FROM table_51087 WHERE "Away team" = 'gillingham'
SELECT "Date" FROM "table_51087" WHERE "Away team" = 'gillingham'