Brennan's Cajun  style restaurant, Located at: 3300 Smith St. Houston, TEXAS   Phone Number 713-522-9711           Hours of Business: Dinner nightly.           Average Price: $45                   Cajun-Creole cuisine delights guests at this outpost of the famed New Orleans Commander's Palace. Choose the kitchen table, the shaded patio, the chef's dining room, or a variety of other private dining areas. Elegant décor in unique building designed by John Staub as headquarters of Junior League. Family-owned. Jacket required for dinner.