What number game of the season was played on April 12? 
{'header': ['Game', 'Date', 'Team', 'Score', 'High points', 'High rebounds', 'High assists', 'Location Attendance', 'Record'], 'page_title': '1999–2000 Toronto Raptors season', 'page_id': '', 'types': ['real', 'text', 'text', 'text', 'text', 'text', 'text', 'text', 'text'], 'id': '1-13619135-8', 'section_title': 'Game log', 'caption': 'Game log', 'rows': [['73', 'April 2', 'Indiana', 'L 83–104 (OT)', 'Tracy McGrady (24)', 'Antonio Davis (11)', 'Doug Christie , Tracy McGrady (5)', 'Air Canada Centre 19,800', '40-33'], ['74', 'April 4', 'Detroit', 'L 88–104 (OT)', 'Tracy McGrady (28)', 'Antonio Davis (12)', 'Muggsy Bogues , Vince Carter , Tracy McGrady (5)', 'Air Canada Centre 19,800', '40-34'], ['75', 'April 7', '@ Atlanta', 'W 104–84 (OT)', 'Vince Carter (23)', 'Antonio Davis (11)', 'Vince Carter (9)', 'Philips Arena 19,499', '41-34'], ['76', 'April 8', '@ Chicago', 'W 98–79 (OT)', 'Dee Brown , Tracy McGrady (19)', 'Charles Oakley (7)', 'Muggsy Bogues (8)', 'United Center 22,137', '42-34'], ['77', 'April 10', 'Cleveland', 'W 112–103 (OT)', 'Vince Carter (31)', 'Vince Carter (11)', 'Vince Carter (10)', 'Air Canada Centre 19,800', '43-34'], ['78', 'April 12', '@ Indiana', 'L 73–77 (OT)', 'Vince Carter (28)', 'Tracy McGrady (14)', 'Tracy McGrady (8)', 'Conseco Fieldhouse 18,345', '43-35'], ['79', 'April 14', 'New York', 'W 86–71 (OT)', 'Vince Carter (34)', 'Tracy McGrady (9)', 'Muggsy Bogues , Vince Carter (6)', 'Air Canada Centre 19,800', '44-35'], ['80', 'April 16', 'Chicago', 'W 85–84 (OT)', 'Vince Carter (25)', 'Antonio Davis (9)', 'Tracy McGrady (5)', 'Air Canada Centre 19,800', '45-35'], ['81', 'April 18', '@ Miami', 'L 73–97 (OT)', 'Vince Carter (17)', 'Charles Oakley (9)', 'Doug Christie (4)', 'American Airlines Arena 19,710', '45-36']], 'name': 'table_13619135_8'}