CREATE TABLE table_15094 ("Date" TEXT, "Opponent" TEXT, "Score" TEXT, "Loss" TEXT, "Attendance" FLOAT, "Record" TEXT)

What day did the Diamondbacks go 2-7?
SELECT "Date" FROM table_15094 WHERE "Opponent" = 'diamondbacks' AND "Score" = '2-7'
SELECT "Date" FROM "table_15094" WHERE "Opponent" = 'diamondbacks' AND "Score" = '2-7'