When in doubt order your favorite wine. There is always Champaign, it is the most versatile. If you are lucky enough to be in a restaurant with a Wine Steward or Maitre'd you may certainly take advantage of their knowledge and experience. Choose your food first Stick within your budget Order a wine that is familiar. Look for producers you know.
Canadian wines are good.
When in a specialty restaurant, such as Italian or German, select a wine from that country. Tasting the wine Seldom will you ever have to send back a wine, but there are occasions when you should. The wine should always be opened at the table. If it is not, send it back. The waiter should present the bottle to you before opening.